Review with the contractor how flaggers will communicate with each other, with pilot cars, and with workers inside the controlled area. If automated flagger assistance devices (AFAD) bid item is not shown on the bid item list, providing AFAD is change order work. Consult with the district traffic engineer for other acceptable means to protect the sign instead of the Type K temporary railing required by the specifications. Department of Transportation (Caltrans). Avoid sharply angled tapers. Retroreflective sleeves on traffic cones. State of California Department of Transportation (Caltrans). 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 Type 1 and Type 2 flashing arrow signs comply with the specification requirements, including number of panel lights, display modes, power source, and devices to plumb and level the trailer. Check the installation and maintenance of Type P marker panel according to sheet A81C of the StandardPlans. Remember that the motorist has no knowledge of the traffic control plan and is entirely dependent on the system for warning and guidance. Verify that temporary automated end of queue warning systems comply with the requirements in Section 12-3.39 Temporary End of Queue Warning System, of the Standard Special Provisions. Refer to Section 5-1.20 Coordination with Other Entities, of the Standard Specifications, if applicable, and the special provisions. If an existing pedestrian route will be affected by the work activities, verify the project includes Bid Item No. The use of a generic Caltrans traffic plan shall not be permitted. The contract item price also includes the costs of work necessary to restore channelizers damaged by public traffic. Containment may require modestly increasing the spacing between signs or require the placing of additional signs. If the contractor is to place the traffic control system repeatedly in the same place, the contractor can request to mark on the shoulder the locations of advance warning signs, cones, and drums. Check construction area signs often during the course of the work. 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. Use the most current edition of the American Traffic Safety Services Association (ATSSA) publication Quality Guidelines for Temporary Traffic Control Devices and Features to confirm acceptability of traffic control devices. If closure of an existing pedestrian route is required because of the contractors means and methods, remind the contractor of their responsibility to design and construct a TPAR at their expense, and obtain authorization to proceed with the work activities. Verify the contractor uses an impact attenuator vehicle as a shadow vehicle in moving closures and during placement and removal of components in stationary closures. Verify that all the necessary signs, cones, drums, and other equipment are on hand before the system is set up for the first time. In metropolitan areas, this type of warning may be feasible with cooperation of the transportation management center. Verify the contractor removes or covers any construction area signs that duplicate or contradict the signs for a project within 250 feet of another project. Also, verify that flagging stations are laid out correctly, are visible to approaching traffic, are illuminated during nighttime, and have correct advance warning signs. Application and Design for Striping, Channelization, and Special Signing (MPP 531) 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. Workers may operate vehicles opposite the flow of traffic inside a closed lane only with the prior authorization of the resident engineer. 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. All drums should use the same type and brand of retroreflective sheeting. Pay special attention to the aiming of the sign whenever solar-powered signs are used. Confirm the contractor maintains barricades in good condition and keeps the reflective surfaces clean. An impact attenuator vehicle must be used for the placement and removal of temporary traffic control devices when required by the contract. Verify temporary flashing beacon systems are relocated as work progresses according to the specifications. For informational purposes only. 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. Specific drawing scales are required to adequately show . Verify the contractor notifies and cooperates with local authorities wherever the local authorities regulate traffic. The closure requests are stored with a SAVED status. Confirm the contractor submits a schedule of planned closures in advance as required by Section 12-4.02A(3), Submittals, of the Standard Specifications. Review the Public Safety section in the contract. During night operations, the vehicles should have their headlights turned off and their hazard lights and flashing amber lights turned on. Verify temporary or permanent pavement delineation is in place before opening the traveled way to traffic. (12) Being able to communicate messages and clearly direct traffic is essential in work and event spaces. Do not allow the contractor to use the double-stick butyl pads provided by the channelizer manufacturer; these pads do not meet Caltrans requirements. Category 1 devices include traffic cones, plastic traffic drums, portable delineators, and channelizers. Extend the straight section, known as the tangent portion of the closure, to better position the taper. Verify that additional speed limit signs indicating the reduced speed limit are placed within the construction work zone as specified. Know before you go : National Weather Service - Caltrans Social Media - Road Information or call 1-800-427-7623 - QuickMap Real-time Travel Information About Caltrans Contact Us ADA Certification Request ADA Compliant Documents Settings Translate Home Travel Work with Caltrans The student will be instructed when to make traffic control system adjustments and when to reject substandard materials. 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. When the work has safely progressed beyond the supplemental taper, remove the upstream taper and tangent. Do not hide the taper of a traffic control system behind a vertical or horizontal curve. Verify construction area signs are from a commercial sign manufacturer and have a Type 3 or higher grade retroreflective sheeting. Contractors are required to request closures using the Caltrans Lane Closure System (LCS) and status closures using the Lane Closure System Mobile web page. Ideally, the assistant resident engineer should be able to communicate directly with the contractors maintenance person by radio or cell phone. Then remove the devices and signs in the reverse order of placement. Confirm that the contractors closure requests comply with the closure charts. Verify that the impact attenuator vehicle complies with all specification requirements. Stationary closures on the shoulder are 10-97 before placing the first cone after the last advance warning sign, and 10-98 after removing the last cone before the advance warning signs. Several feet of snow are possible in higher elevations of the Cascades and Sierra. Compute the payment as a force account or as an adjustment of compensation based on a force account analysis. Check that the sign complies with the visibility and legibility requirements. Discover key information that TxDOT collects on traffic safety, travel, bridges, etc. Do not allow the use of epoxy adhesive to place pavement markers in areas where the removal of the pavement markers is required. Revisions to the Traffic Control Plan Seal Coat Operations Standard Sheets, TCP(SC)-22: memo10-27-22.pdf: October 21, 2022: . Flash flooding may occur, especially near recent burn scars. Request the guidelines from Construction headquarters. 2. 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. 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. Review the contractors work plan for compliance with the requirements in Section 12-4.04, Temporary Pedestrian Access Routes, of the Standard Specifications. Verify the lights are dimmed at night and set on bright during daylight hours. Cars on Highway 202 heading toward Cummings Valley wait at a temporary signal light on Friday, Jan. 13. Registered professional engineer with more than 20 years of experience; Temporary Traffic Control (TTC) and Flagging instructor at UC Berkeley Tech Transfer Program; Technical member of the National Committee on Uniform Traffic Control Devices Buildings 14 & 16. Make sure the temporary automated end of queue warning system is in operation only during work, unless special provisions require one for 24 hours a day, 7 days a week for certain construction activities. Join Caltrans to help change "This to That", 2020 Safety Program Accomplishments (PDF), 2021 Caltrans Annual Accomplishments Report (PDF), Caltrans Activates Statewide Electronic Highway Signs Due to Severe Weather, California Awards $1 Billion for Walking and Biking Projects in Disadvantaged Communities, Invests $878 Million for Transportation Infrastructure, New Kids of Caltrans Campaign Aims to Get Drivers to Move Over, Save Lives, CalOES: Power Outage and Fire Recovery Resources. Automated flagger assistance devices (AFAD) can be used in place of flagger to remove workers from the roadway to improve worker safety from traffic. One-stop demographic data analysis tool . Take the following steps before work begins: Discuss any flagging operation with the contractor before the operation begins. Check that portable transverse rumble strips are not placed on sharp horizontal or vertical curves or through pedestrian routes. 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. Verify that the contractor provides a Type 1 or Type 2 for each closure as shown on Standard Plan T26 and T27, respectively. The contractor is responsible for the replacement expenses. Confirm that the contractors are coordinating placement and pickup of the closure so that the traffic control system is maintained in accordance with the. The cost of providing flaggers is included in the bid item cost for portable signal systems. Contact Safety Programs 2022 Caltrans Safety Program Accomplishments (PDF) Inclusion of new guide signs for Watershed Boundary (S36(CA), S36A(CA), and S36B(CA)) in the California MUTCD (PDF), Inclusion of new and deletion of existing regulatory parking, stopping and loading signs in the California MUTCD (PDF), Inclusion of FHWA's final rule of worker visibility in the California MUTCD (PDF), FHWA Interim Approval - Optional Use of Flashing Yellow Arrow for Permissive Left Turns (PDF), Inclusion of interim policy for reduced speed limits in school zones in the California MUTCD (PDF), Inclusion of new guide signs (G12-1(CA), G12-2(CA), G86-14(CA), G98(CA), and S22-1(CA)) in the California MUTCD (PDF), Inclusion of new regulatory signs (R39(CA), SR25(CA), and SR26(CA)) in the California MUTCD (PDF), Revision of policies for various signs (S30(CA), S33(CA), R10-11) in the California MUTCD (PDF), Revision to Signs and Pavement Markings for Persons with Disabilities in the California MUTCD (PDF), Inclusion of the Slow for the Cone Zone Signs in the California MUTCD (PDF), Inclusion of Proposition 1B Funding Signs in Project Plans (PDF), Implementation of Streets and Highways Code - Section 1978 - "WHERE WE HONOR VETERANS" (PDF), FHWA Interim Approval - Traffic Signal Backplate (PDF), FHWA Interim Approval - Wayside Horn System (PDF), FHWA Interim Approval - Clearview Fonts (PDF), FHWA Interim Approval - RV Friendly Symbol Sign (PDF), California MUTCD Adoption Letter to FHWA Division Administrator (PDF), Adoption Memo to Caltrans Districts (PDF), 2006 Travel Time Values for Automobiles and Trucks, Commercial Television Broadcasts from Transportation Management Centers (TMC), Distributing Traveler Information to Commercial/Media Information Service Providers, Charging and Billing Policy for Memorial Signs and College Signs (PDF), Crashworthy Temporary Traffic Control Devices in Work Zones Categories 1, 2 & 3 (PDF), Parking Restrictions at Intersections (PDF), Use of safety-related message on changeable message signs (PDF), Orientation of Barricade Stripes For Temporary Traffic Control (PDF), The use of CROSS TRAFFIC DOES NOT STOP plaque (W4-4p) for 4-way stop and 2-way stop conversions (PDF), The use of NO TURN ON RED signs for less than 75 degrees skewed signalized intersections (PDF), Minimum Yellow Light Change Interval (PDF), MUTCD 2003 Adoption Letter to FHWA Division Administrator (PDF), The Department Adopts FHWA's MUTCD 2003 to Replace the Traffic Manual (PDF), Policy on the Retention of Traffic Safety Investigations Records and Collision Reports (PDF), In-Roadway Warning Lights at Crosswalks (PDF), Placement of Traffic Controller Cabinets (PDF), State Furnished Materials for LED Modules and BBS Systems (PDF), Specific Service Sign (Logo) Program - Increased Population Beyond 5,000 (PDF), Supplemental Signing for City Civic Center Areas (REVISED) (PDF), Exception to High and Low Risk Policy for the Statewide Exit Number and Vertical Clearance Sign Projects, Purpose, Application and Approval Authority for Exceptions to Design Standards (PDF), Interchange Exit Numbering Policy (36 pages, 1.52 MB) (PDF), Weathered/Ungalvanized Barrier Rail (PDF), Supplemental Signing for City Civic Center Areas (PDF), State of California, Department of Transportation, Victims Memorial Sign Program (PDF), Traffic Manual,Section 8-03.4 Speed Limit Signs and Markings (PDF), Traffic Manual,Section 9-13.11 Voltage Drop (PDF), Left Turn Extinguishable Message Sign (SUPERSEDED by CA MUTCD, Section 2L.01, paragraph #05) (PDF), Changes to Traffic Manual 6-03.2 Rumble Strips (PDF), Specific SVC Sign (Logo) Program - Increased Population Beyond 5000 (PDF), Interim Energy Conservation Measures for Guide Signs (PDF), Horizontal/Vertical Clearance changes (PDF), Crashworthy Traffic Control Devices in Work Zones (PDF), Deploying Battery Back-up Systems at Traffic Signalized Intersection (PDF), Profiled ThermoplasticTraffic Stripe (PDF), Vertical Clearance Sign Policy for State Highway Structures (PDF), Deploying Battery Backup Systems at Traffic Signalized Intersections (PDF), New and Non-standard Devices Exception Process (PDF), Overhead Guide Sign Illumination Policy (PDF), PLAN-Typical Signing for COZEEP/MAZEEP Reduced Speed Zone (PDF), Maintenance Factor for Intersection Lighting (PDF), Lighting for Nonstandard Sag Vertical Curves (PDF), Clarification on Lighting of Sag Vertical Curves with Nonstandard Stopping Sight Distance (PDF), Construction Speed Zones (12-22-92) (PDF), Catwalks on Overhead Sign Structures (PDF), Nonstandard Lighting Poles on Conventional State Highways Installed and Maintained by Others (PDF), Crosswalks and Detector Installations (3-27-90) (PDF), Crosswalks and Detector Installations (8-21-89) (PDF), Break / Slip Base Under Electroliers Located Along Freeways, Expressways and Conventional Highway (PDF), "Prepare to Stop" Signs at Signalized Intersections (PDF), CalOES: Power Outage and Fire Recovery Resources, FHWA Letter to Caltrans for Substantial Conformance of the 2014 Rev 4 California Manual on Uniform Traffic Control Devices (PDF), Use of Enhanced Conspicuity for selected sign posts to improve safety on the State Highway System (PDF). 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