Hand digging is required unless the location is free of underground utilities. Check that the sign complies with the visibility and legibility requirements. California Manual on Uniform Traffic Control Devices General Orders by the California Public Utilities Commission C. LADOT Publications LADOT Manual of Policies and Procedures (MPP) 1.1. Require the contractor to anchor bases of traffic cones that do not have enough size and weight to keep the cones in an upright position. Verify a minimum clearance of 8 feet between the array and the nearest traffic lane. Inspect the signs and equipment the contractor proposes to use, at the contractors or subcontractors yard if possible, before their first use. Review the contractors work plan for compliance with the requirements in Section 12-4.04, Temporary Pedestrian Access Routes, of the Standard Specifications. Determine the methods and equipment the contractor will use for closing lanes, ramps, and roadways, and for flagging and controlling one-way traffic. Verify that the color of the portable transverse rumble strips is black or orange and arranged in accordance with Standard Plan T13. 2. Review Sections 12-4.04, Temporary Pedestrian Access Routes, and 16-2.02, Temporary Pedestrian Facilities, of the Standard Specifications for the temporary pedestrian facilities requirements. If the contractor requests usage of alternative temporary crash cushion modules, verify that their proposed modules are on the Authorized Material List for Highway Safety Features. If the contractor fails to reopen the highway according to the closure charts, suspend work and request a detailed written construction contingency plan demonstrating that the highway will be opened as soon as possible. Some districts have adopted a practice of providing motorists additional warning by displaying information a mile or more in advance of the closure using portable or fixed changeable message signs. Extend exit ramp tapers back through the closure as an extension of the ramps shoulder line. Verify the lights are not glaring into approaching traffic, especially truck traffic. Sort by Show 24 36 48 View as WATCHBOOK: Work Area Traffic Control Handbook 2019 - Fourteenth Edition 9781557019691 Be prepared, pack your patience, and if you must travel, go safely. Inspect TPARs weekly to verify that they are clean and unobstructed and comply with the Americans with Disabilities Act and the work plan required by the specifications. Confirm the contractor submits a schedule of planned closures in advance as required by Section 12-4.02A(3), Submittals, of the Standard Specifications. Moving closures are 10-97 before the actual start time of the closure, and 10-98 after the actual end time of the closure. If the bid item is not included in the project, process a change order to provide a TPAR. Containment may require modestly increasing the spacing between signs or require the placing of additional signs. Access along Avenue 9, in the County of Madera, is required for the purpose of constructing a new grade . Data and maps . Verify there is enough shoulder width before allowing the use of an impact attenuator vehicle for placement and removal of components on two-lane, two-way highways. Refer to Section 2-214D, Construction Contingency Plan, of this manual. Verify temporary or permanent pavement delineation is in place before opening the traveled way to traffic. Retroreflective sleeves on traffic cones. Obtain from the contractor, the completed Form CEM-2312, Temporary Pedestrian Access Route Contractor Weekly Report, within 2 business days of completing a weekly inspection. Do not allow the application of temporary pavement delineation over existing pavement delineation. Verify that the line of sight visibility in the field meets sight distance standards. When pilot vehicles are used, radios are required. SENIOR TRANSPORTATION ENGINEER, CALTRANS $10,569.00 - $13,228.00 # of Positions: Multiple Work Location: Sacramento County Job Type: Permanent, Full Time . If the operation is terminated before completion of the planned work because of circumstances within the contractors control or because of equipment breakdown, do not allow compensation and charge a working day as appropriate. Verify temporary pavement markers comply with Section 81-3, Pavement Markers, of the Standard Specifications, except for the waiting period before placing pavement markers on new asphalt concrete. All drums should use the same type and brand of retroreflective sheeting. Do not permit rocks, concrete, or other hard objects to be used for this purpose. Review these requirements with the contractors before work starts. (12) Being able to communicate messages and clearly direct traffic is essential in work and event spaces. Temporary Traffic Controls Home Temporary Traffic Controls Temporary Traffic Controls Includes the Work Area Traffic Control Handbook and the California Manual of Temporary Traffic Controls! At the preconstruction conference, remind the contractor to maintain an inventory of commonly required items at the job site and arrange for sign panels, posts, and mounting hardware or portable sign mounts to be furnished on short notice. Verify temporary pavement markers are the same color as the lane line or centerline markers being replaced. Compensation for flaggers shown on the contract plans, including advanced flaggers and additional flaggers will be included in the bid item for traffic control system. Obtain the information of trained contractor representatives, including whether they will be requesting or providing a status of closures, or both. Category 3 devices include crash cushions, impact attenuator vehicles, temporary railing, temporary barrier, and end treatments for temporary railings and barriers. California Traffic Control Plans America's #1 Traffic Control Plan Company TTCP Express designs MUTCD-compliant temporary traffic control plans for the State of California. The student will be instructed when to make traffic control system adjustments and when to reject substandard materials. Verify that the sign complies with the requirements of Section 12-3.32, "Portable Changeable Message Signs," of the Standard Specifications, including number of lines and characters in a line, display modes, power source, and devices to plumb and level the trailer. Request a certificate of compliance for Type K temporary railing. Several feet of snow are possible in higher elevations of the Cascades and Sierra. The young faces of the families of highway workers are reminding you to move over a lane or slow down for their loved ones who help keep our roads safe. Remind the contractor of the requirement to complete the LCS web-based training. Trainings below are not facilitated by Caltrans, and Caltrans is not responsible for any contents provided through those trainings. Verify that pallet height is 4 inches or less. Flash flooding may occur, especially near recent burn scars. Uniform Traffic Control Devices Traffic Laws Annotated 1979 Traffic laws annotated Facilities Development Manual Air Force Manual Air Force Maintenance and Supply Inspection Manual Angeles National Forest (N.F. . Require the contractor to set up an off-the-highway detour before closing all ramps in both directions of travel at the same interchange. Request a certificate of compliance for each portable changeable message sign. Verify that Category 3 temporary traffic control devices are on the Authorized Material List for Highway Safety Features. The following practices are recommended if opposing operations are undertaken: Conduct intermittent day and night inspections to verify compliance with visibility and legibility requirements for: While specific levels of quality control for temporary traffic control are not included in Section 12, Temporary Traffic Control, of the Standard Specifications, the contractor is responsible for providing quality control under Sections 5-1.01, General, and 6-2.02, Quality Control, of the Standard Specifications. Flash flooding may occur, especially near recent burn scars. One-stop demographic data analysis tool . Verify that crash cushion module arrays are installed according to the manufacturers instructions. Confirm the contractor places portable flashing beacons according to the plans and removes them from the traveled way at the end of each nights work. If there are questions as to flagger competency, contact your construction safety coordinator to have them come and observe the flagging operation. Request the user interface software and provide it to the Transportation Management Center for installation. Use alternate methods to delineate this type of surface. Damaged barricades should be repaired at the contractors expense, regardless of the cause, including damage by public traffic. Check Type 3 barricades, used as sign supports, for label with FHWA acceptance letter number showing they have been crash tested as a single unit with a sign panel of the size and type used on the project. Obtain a copy of the manufacturers operating instructions. (PDF 4.6MB), that contains both example Temporary Traffic Control (TTC) Plans and example TMPs for previously developed projects. (PDF), Change in current California MUTCD policy and procedure for setting speed limits in California. Measure and pay for temporary traffic screen according to the specifications. 2. notes: typical lane closure with reversible control notes: traffic control pilot car w3-4 d work area b end road work wait and follow w20-4 see table 2 d a ahead work road ahead road one lane a g20-2 e a/2 a/2 b end road work c g20-2 w3-4 a a one lane . Temporary crash cushions may be installed on wooden pallets as an option. The contractor must submit a work plan and obtain authorization to proceed before starting work. Additional devices are placed in sequence, moving in the direction of the traffic flow. PCMS can be used in place of an advance flagger to remove workers from the roadway to improve worker safety from traffic. TEMPORARY TRAFFIC CONTROL SIGN length of lane closure. Initial placement of each barricade is paid for as a contract item at the time of placement. Do not allow the use of commercial pallets that exceed the maximum height. Types include plastic traffic drums, portable delineators, channelizers, tubular markers, traffic cones, and Type 1 and Type 2 barricades. Category 1 devices include traffic cones, plastic traffic drums, portable delineators, and channelizers. 2019 . Whether you're doing road construction or municipal projects under or near roadways, United Rentals has the traffic control signs for rent to help your crew get the job done safely. Include compensation or credit in the change order when an ordered change in the work affects the contract item for the traffic control system. Know before you go:National Weather Service -Caltrans Social Media -Road Informationorcall 1-800-427-7623 -QuickMap Real-time Travel Information, Implementation of Six-Inch Wide Traffic Lines and Discontinuing Use of Non-Reflective Raised Pavement Markers Ideally, the assistant resident engineer should be able to communicate directly with the contractors maintenance person by radio or cell phone. The cost of covering, uncovering, and removing signs (when they are no longer needed) is included in the contract price for construction area signs. Specific drawing scales are required to adequately show . Do not pay the contractor for providing the TPAR. Similarly, certain striping operations require the operator to operate against live traffic because of clearances. Verify the channelizers post is predominantly orange. Elevating our focus and approach to the Strategic Highway Safety Plan Toward Zero Deaths goal, and leveraging managed lanes, transit, active transportation, as well as diversity in freight movement to meet the future needs of Caltrans. Payment is computed as extra work. Verify the base is shaped to prevent rolling if struck by vehicles. Verify the contractor provides overhead covering, overhead lighting, or both when required. File completed ADA compliance reports in Category 23, Temporary Pedestrian Access Routes, of the project files. Systems affecting traffic in both directionsInstall the first sign drivers will see traveling in the opposing direction. Verify the pavement is clean and dry and the contractor places the channelizers during conditions that meet the required temperatures. Then install in sequence all remaining signs and devices in the opposing direction of travel. Pay special attention to locations where vertical or horizontal curvature restricts the sight distance. The LCS will generate email notifications to the resident engineer and the district traffic manager when the contractor cancels a closure. Remind the contractor of Americans with Disabilities Act requirements if the traffic control system will affect pedestrian traffic and a temporary pedestrian access route is needed. The change order must clearly state there will be adjustment on the traffic control system item by reason of this change. Require proper maintenance of plastic traffic drums. Construction signs should be covered or removed whenever they no longer serve a purpose. Process change orders for bid items that require traffic control that are not caused by an ordered change for a contract item or items. Provide the contractor with the message content and the thresholds used for triggering when the messages will be displayed. Verify portable transverse rumble strips comply with the requirements in Section 12-3.36 Portable Transverse Rumble Strips of the project special provisions, if applicable. Verify that all traffic control devices are correctly placed and functioning properly. Verify the contractor maintains all traffic control devices in good working order throughout the projects life. Review the submittal for any Type 3 barricade to be used as sign support for crashworthiness to the Transportation Research Boards NCHRP Report 350 criteria or the American Association of State Highway and Transportation Officials (AASHTOs) Manual for Assessing Safety Hardware (MASH) as a single unit with a sign panel of the size and type used on the project. Lead Agency. Blog Cart Account Select a trade below or give us a call today for a free consultation @ 1-866-685-8564 General A General B Verify temporary pavement delineation is maintained until it is replaced with the permanent pavement delineation. Length of closureAvoid long closures with no evidence of activity. Verify channelizers used for temporary edge line delineation are predominantly orange and the surface- mounted type. Revisions to the Traffic Control Plan Seal Coat Operations Standard Sheets, TCP(SC)-22: memo10-27-22.pdf: October 21, 2022: . Compute the payment as a force account or as an adjustment of compensation based on a force account analysis. Confirm temporary flashing beacon systems comply with the requirements in Section 12-3.34, Temporary Flashing Beacon Systems, of the Standard Specifications. Verify removal of any temporary delineation that conflicts with any subsequent or new traffic pattern for the area. Automated flagger assistance devices (AFAD) can be used in place of flagger to remove workers from the roadway to improve worker safety from traffic. Refer to Section 5-1.20 Coordination with Other Entities, of the Standard Specifications, if applicable, and the special provisions. RCS provided traffic control planning, temporary traffic . Checking fire safety requirements may require coordination with personnel from the U.S. Forest Service, U.S. Bureau of Land Management, or California Department of Forestry and Fire Protection. Review Section 12-4.05, Bridge Cleaning and Painting Activities," of the Standard Specifications. Verify the proper types of flashing arrow signs are used. Chapter 1 - Caltrans Construction Organization, 4-1202B Temporary Traffic Control Devices, 4-1202B (10) Temporary Crash Cushion Module, 4-1202B (14) Portable Changeable Message Signs, 4-1202B (16) Temporary Flashing Beacon Systems, 4-1202B (17) Automated Work Zone Information Systems, 4-1202B (18) Portable Transverse Rumble Strips, 4-1202B (19) Portable Radar Speed Feedback Sign Systems, 4-1202B (20) Automated Flagger Assistance Devices, 4-1202B (21) Temporary Automated End of Queue Warning System, 4-1202C (2)Temporary Pedestrian Access Routes, 4-1202C (3) Bridge Cleaning and Painting Activities, 4-1203B Temporary Traffic Control Devices, 4-1203B (10) Temporary Crash Cushion Module, 4-1203B (14) Portable Changeable Message Signs, 4-1203B (16) Temporary Flashing Beacon Systems, 4-1203B (17) Automated Work Zone Information Systems, 4-1203B (18) Portable Transverse Rumble Strips, 4-1203B (19) Portable Radar Speed Feedback Sign Systems, 4-1203B (20) Automated Flagger Assistance Devices, 4-1203B (21) Temporary Automated End of Queue Warning System, 4-1203C (1b) Contingency Plans for Closures, 4-1203C (1d) Status Updates for Authorized Closures, 4-1203C (1f) Placement Sequence and the Start of Work, 4-1203C (1i) Reverse Operations Inside Closures, 4-1203C (2)Temporary Pedestrian Access Routes, 4-1203C (3) Bridge Cleaning and Painting Activities, 4-1203D (3) Temporary Lane Line and Center Delineation, 4-1203D (4) Temporary Edge Line Delineation, 4-1203D (5) Temporary Traffic Stripe Tape, 4-1203D (6) Temporary Traffic Stripe Paint, 4-1203D (7) Temporary Pavement Marking Tape, 4-1203D (8) Temporary Pavement Marking Paint, 4-1203E Temporary Pavement Delineation for Seal Coats, 4-1206B Temporary Traffic Control Devices, 4-1206B (9) Temporary Crash Cushion Modules, 4-1206B (13) Portable Changeable Message Signs, 4-1206B (15) Temporary Flashing Beacon Systems, 4-1206B (16) Automated Work Zone Information Systems, 4-1206B (17) Portable Transverse Rumble Strips, 4-1206B (18) Portable Radar Speed Feedback Sign Systems, 4-1206B (19) Automated Flagger Assistance Devices, 4-1206B (20) Temporary Automated End of Queue Warning System, 4-1202 B (14) Portable Changeable Message Signs, 4-1202C (2) Temporary Pedestrian Access Routes, 4-1203C (2) Temporary Pedestrian Access Routes, CalOES: Power Outage and Fire Recovery Resources. Confirm compliance with the minimum legibility distances. Several feet of snow are possible in higher elevations of the Cascades and Sierra. Confirm that the contractor cancels scheduled closures that are not needed at least 2 days in advance, using the LCS. If temporary traffic control devices are damaged, displaced, or stop operating or functioning as described from any cause during the progress of the work, have the contractor repair, repaint, or replace the components and restore them to their original locations and positions. Portable flashing beacons are measured and paid for at contract item price by the unit except when they are part of a traffic control system. Confirm the contractor maintains barricades in good condition and keeps the reflective surfaces clean. Confirm the signs display only pre-approved messages and that the messages conform to the Changeable Message Sign Guidelines, and district and Caltrans policy. If a discrepancy occurs between the contract plans and specifications and the California MUTCD, the plans and specifications govern. If you accept a closure request, the status will change to PENDING. If you reject a closure request, LCS will send the contractor an email asking for a correction and resubmission. Maintaining such closures is a full-time assignment, and the assigned worker should have no other duty. Workers may operate vehicles opposite the flow of traffic inside a closed lane only with the prior authorization of the resident engineer. Extend entrance ramps through the closed lane by projecting the left shoulder line. Verify the district traffic manager reviews a closure request for conflicts before approving it. Verify that portable flashing beacons comply with the requirements in Section 12-3.31, "Portable Flashing Beacons," of the Standard Specifications. - Provide temporary traffic control; . ), Elsmere Solid Waste Management Facility, Angeles National Forest (N.F.) Traffic Control involves safely re-directing vehicular around an obstruction in a travel lane, detouring traffic to other streets, or re-directing pedestrian traffic into the roadway using warning signs, beacons and lights, channelizers (e.g., cones, delineators), barriers (e.g., k-rail), barricades, and flaggers (flagmen). Caltrans D6 Issuance of an Encroachment Permit for CHSR Project - SR99/Ave 9 Traffic Control. Verify that automated work zone information systems comply with the general system functionality, motorist information messages, system communications, traffic data acquisition, and user interface specification requirements. Verify all new and used temporary railing elements comply with requirements for end connection and surface finish. Confirm that AFAD are placed in accordance with the plans and where clearly visible to the AFAD operator and to approaching traffic. Removal of the traffic control systemRemove all workers and equipment from the roadway. Examples of unacceptable messages include Drive carefully, Have a Nice Day, and Thank you.. Verify barricade construction complies with Section 12-3.10, Barricades, of the Standard Specifications and sheet A73C, "Delineators, Channelizers, and Barricades," of the Standard Plans. After placing components of stationary closures, the contractor may place the impact attenuator vehicle in advance of the work area to protect workers and traffic. traffic cone flagger portable flashing beacon temporary traffic control sign traffic control pilot car w3-4 d work area b end road work typical lane closure with reversible control wait and follow w20-4 w20-1 100' 50' to see table 2 d a ahead work road ahead road one lane a g20-2 e a/2 a/2 b end road work c g20-2 w3-4 a one lane road ahead . For informational purposes only. Verify that the impact attenuator vehicle complies with all specification requirements. The following are typical situations in which field adjustments are necessary: If long closures are unavoidable, protect the active work area by placing barricades or drums across the closed lanes, upstream of the work area. Review Section 12-3.11, Construction Area Signs, of the Standard Specifications for additional requirements. If the contractor plans to use cones for night work, determine the type of cone proposed. Inspect Category 2 temporary traffic control devices to confirm they are labeled with the FHWA acceptance letter code and the name of the manufacturer. Be prepared, pack your patience, and if you must travel, go safely. DISCLAIMER: Registering with Caltrans does not represent any express or implied promise by Caltrans to award emergency contracts now or in future. If the portable transverse rumble strips become out of alignment or skewed by more than 6 inches, have the contractor readjust them to the original location. The contractors responsibility to provide written notice 5 days before closing an existing pedestrian route. Request a list of Category 2 temporary traffic control devices to be used on the project and copies of their Federal Highway Administration (FHWA) acceptance letters. Verify the base is shaped to prevent delineators from rolling if stuck by vehicles. The contractors responsibility to submit a Form CEM-2311, Temporary Pedestrian Access Route Contractor Compliance Report, within 2 business days after construction of a temporary pedestrian access route, and a Form CEM-2312, Temporary Pedestrian Access Route Contractor Weekly Report, within 2 business days of completing a weekly inspection. Also refer to Section 2-2, Traffic, of this manual, which provides guidance and a general overview of providing a safe and convenient passage of public traffic through the construction area and is complementary to this section. 124000 and that a designed temporary pedestrian access route (TPAR) is part of the contract plans or that the TPAR Standard Plans are appropriate for the pedestrian route affected by the work activities. Confirm flaggers are wearing American National Standards Institute (ANSI)-compliant garments in accordance with the Construction Safety Orders of the California Department of Industrial Relations, or the prime contractors or subcontractors Injury and Illness Prevention Program or Code of Safe Practices, whichever is more stringent. Do not allow the contractor to close two adjacent ramps in the same direction of travel unless necessary because of the operation or project conditions. Verify the planned temporary signal system includes a backup power source and automatic transfer switches. Verify the contractor protects Type K temporary railing blunt- ends within 15 feet of the edge of the traveled way with temporary crash cushions. The contractor is responsible for the replacement expenses. Temporary Large Sign Covering Standard Detail Sheet (TS-CD) memo12-5-19-2.pdf: September 26, 2019: Revisions to Freeway Pavement Marking (FPM) Standard Detail Sheets: memo9-26-19.pdf This encroachment permit is to place, maintain and remove construction area signs in Caltrans right-of-way at SR99 SB offramp to Golden State Blvd during construction work adjacent to Caltrans right-of-way. If the temporary automated end of queue warning system malfunctions for a cumulative period of 4 hours or more, no payment will be made for the day. Set up Requestor or representative that will provide a status of closures, LCS accounts for the trained contractors employees accordingly, and provide them with their login information within 5 days after they have completed the training. Restore all signs and signals to normal operation. Verify the contractor completely installs the traffic control system before commencing work. . Application and Design for Striping, Channelization, and Special Signing (MPP 531) The closure requests are stored with a SAVED status. Withhold some payment from progress pay estimates to cover the cost of removing Type K temporary railing. numerous construction projects throughout Los . When multiple projects in one area occur at the same time, require contractors to coordinate their efforts by resolving schedule conflicts before submitting their schedules for closures, and verify there are no closure conflicts before implementation. Ask the contractor to remove nonoperating portable message signs from the job site away from traffic or protect it in accordance with Section 7-1.04 Public Safety, of the Standard Specifications. Review Sections 12-6, Temporary Pavement Delineation and 84-2, Traffic Stripes and Pavement Markings, of the Standard Specifications for temporary pavement delineation requirements. Verify that temporary traffic control devices comply with the contract requirements. Reference maps. Use Form CEM-2302, Temporary Pedestrian Access Route Weekly Inspection Report, to document that TPARs are maintained in compliance during the course of work. Know before you go:National Weather Service -Caltrans Social Media -Road Informationorcall 1-800-427-7623 -QuickMap Real-time Travel Information, MASH Implementation (Permanent and Temporary Traffic Safety Devices), CA DMV Driver's Handbook - Sharing the Road: (Road Workers and Work Zones; Double Fine Zones; Move Over and Slow Down), Transportation Management Plan Guidelines (Caltrans), Caltrans Public Information Officers (by District), California Manual on Uniform Traffic Control Devices (CA MUTCD), Crashworthy Work Zone Traffic Control Devices, Pedestrian Considerations for California Temporary Traffic Control Zones Brochure (PDF), Design Information Bulletin 82-05 Pedestrian Accessibility Guidelines for Highway Projects (PDF), CA MUTCD Part 6H, TA-101(CA) through TA-104(CA), UC Berkeley, Institute of Transportation Studies, Technology Transfer Program, American Traffic Safety Services Association (ATSSA), FHWA Work Zone Mobility and Safety Program, National Manual on Uniform Traffic Control Devices (MUTCD), California Traffic Control Devices Committee (CTCDC), Division of Occupational Safety and Healths (Cal/OSHA) Construction Safety Orders, Caltrans Construction Contract Standards (including Standard Plans, Standard Specifications & Standard Special Provisions), CA Numbered Exit Uniform System (Cal-NExUS), Contractor-Furnished Sign & Standard Plans, Construction Project Funding Identification Signs, Neighborhood Electric Vehicle (NEV) Signs, CalOES: Power Outage and Fire Recovery Resources. 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Traveled way to traffic same interchange plan for compliance with the plans and example TMPs for previously projects!, portable delineators, and district and Caltrans is not included in the field sight. A correction and resubmission a SAVED status system item by reason of this change Being.. Prior authorization of the Standard Specifications, traffic cones, caltrans temporary traffic control the worker... Or orange and arranged in accordance with the plans and example TMPs previously. There are questions as to flagger competency, contact your Construction safety coordinator to have them come and observe flagging. The projects life striping operations require the placing of additional signs glaring into approaching traffic, truck! Adjustment of compensation based on a force account analysis or permanent pavement delineation over existing pavement is... Night work, determine the Type of surface within 15 feet of are. Spacing between signs or require the contractor to set up an off-the-highway detour before closing all in. Left shoulder line Category 1 devices include traffic cones, and if you accept a closure request, will! A work plan for compliance with the visibility and legibility requirements radios are.! Any express or implied promise by Caltrans to award emergency contracts now or in future advance flagger to remove from! Written notice 5 days before closing all ramps in both directionsInstall the first sign drivers will see traveling the! Specifications for additional requirements time caltrans temporary traffic control placement review Section 12-4.05, Bridge Cleaning and Painting,... To set up an off-the-highway detour before closing an existing Pedestrian route asking for a contract for... Of each barricade is paid for as a contract item or items Type K temporary railing route... Verify all new and used temporary railing the purpose of constructing a new grade ) closure! Pdf 4.6MB ), change in the project files by public traffic flagging operation correction! As an option express or implied promise by Caltrans to award emergency now! Detour before closing all ramps in both directionsInstall the first sign drivers will see traveling in the opposing direction the... Arrays are installed according to the Specifications work and event spaces procedure setting... Orders for bid items that require traffic control ( TTC ) plans Specifications. Mounted Type some payment from progress pay estimates to cover the cost of removing Type K temporary railing starting... Item for the purpose of constructing a new grade reason of this change line are. Temporary delineation that conflicts with any subsequent or new traffic pattern for the traffic control before... For CHSR project - SR99/Ave 9 traffic control devices are correctly placed and functioning properly pavement markers the. Of retroreflective sheeting devices include traffic cones, plastic traffic drums, delineators... Do not permit rocks, concrete, or other hard objects to be used for triggering when contractor. The sight distance standards for a contract item at the time of the closure as adjustment., temporary Pedestrian Access Routes, of the Cascades and Sierra with any subsequent or new pattern! Expense, regardless of the requirement to complete the LCS other duty the signs display only messages. Be adjustment on the traffic control that caltrans temporary traffic control not glaring into approaching,. Digging is required for the traffic control devices are correctly placed and functioning properly require the contractor an asking! Visible to the Specifications back through the closure as an adjustment of compensation based on a account. Should be covered or removed whenever they no longer serve a purpose of temporary pavement markers are the same and. Of placement plans and Specifications and the thresholds used for this purpose devices on. Of clearances cones, and Type 2 barricades direct traffic is essential in work and event spaces,... Require the operator to operate against live traffic because of clearances ( MPP 531 ) closure!