caltrans lane closure charts
Refer to Section 7-1.04, Public Safety, of the Standard Specifications, and Topic 902, Sight Distance and Clear Recovery Zone Standards, of the Highway Design Manual. A TMP is a program of activities for minimizing or alleviating work-related traffic delays through traffic-handling practices and strategies. Construction signs should be covered or removed whenever they no longer serve a purpose. Do not allow the use of sandbags. Verify the lights are not glaring into approaching traffic, especially truck traffic. When it is not possible to maintain a width of 60 inches, provide a 60-by-60inch passing space at least every 200 feet to allow individuals in wheelchairs to pass. Confine the work area to as short a distance as practical. Look for such signs as broken delineators, skid marks, and tire marks on temporary railing, which indicate a potential need for improvement. Imposing a 24-hour-a-day regulatory speed reduction can be difficult to justify and obtain approval for. 1. The Department has standardized its road and lane closure reporting into a statewide Lane Closure System (LCS). Chapter 2: Safety and Traffic, Section 2: Traffic. Caltrans or the contractor prepares plans to provide unobstructed roadways. Every five minutes LCS reports all approved closures planned for the next 7 days, plus all current lane, ramp, and road closures due to maintenance, construction, special events, etc. Review Section 84-2.03, Construction, of the. PCMS can be used in place of an advance flagger to remove workers from the roadway to improve worker safety from traffic. Refer to Section 4-1202C (1a), Lane Closure System, of this manual. DEPARTMENT OF TRANSPORTATION DIVISION OF TRANSPORTATION PLANNING P.O. Field adjustments to the traffic handling plans are frequent occurrences. This section provides guidelines for inspecting temporary traffic control devices in construction areas. Do not pay the contractor for providing the TPAR. Such conditions may alter the apparent pattern of the roadway and cause an eradicated line to appear to be a lane line. Evaluate the COZEEP use criteria for lane closures on freeway-to-freeway connectors and for night closures of exit and entrance ramps. Verify that construction area signs are placed outside the traveled way, do not block or protrude more than 4 inches into bicycle and pedestrian routes, and comply with Americans with Disabilities Act requirements. The contractor should develop a plan for handling emergencies and emergency vehicles in the control zone. Consider how the shape and the light versus the shadow of falsework openings will appear in daytime and at night. 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. Verify all new and used temporary railing elements comply with requirements for end connection and surface finish. All contract plans and special provisions must include a traffic control plan, which may include T Series Standard Plans, detour plans, or motorist information plans. 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 the contractor delineates a PCMS with a taper consisting of nine traffic cones. Mobile Verify the contractor installs the temporary no-passing zone signs if no-passing centerline pavement delineation is obliterated. Category 2 devices include barricades and portable sign supports. TMPs should be consistent with the Final Rule guidelines for developing and implementing the policy. Verify the contractor provides overhead covering, overhead lighting, or both when required. A maintaining traffic standard special provision allows assessing the contractor a contract payment deduction for the value of a traffic delay when the contractor exceeds the closure window. Each flag shall be at least 16" x 16" Serving as a liaison between construction, the district traffic manager (DTM) and the transportation management plans (TMP) manager. Compare the traffic control plan to site conditions. Consult with the transportation management center before temporarily closing a ramp not previously scheduled through the LCS. Confirm that the temporary roadway is engineered to the same design considerations as those in new construction: Geometrics of alignment and roadway section, Surface of the traveled lanes and shoulders or marginal areas. 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 properly shielded, most lights can be mounted on construction equipment. These instances do not require formally approved plans. Category 1 devices include traffic cones, plastic traffic drums, portable delineators, and channelizers. 11/25. The following are some possible installation procedures that may be used by the contractor, depending on the situation in which the system will be used: After installation and when the inspector is available, make a drive-through inspection of the system. Verify temporary pavement markers are the same color as the lane line or centerline markers being replaced. Verify that the weight of the attenuator and the weight of the support truck are within the specified limits as shown on the Authorized Material List for Highway Safety Features. Verify that pedestrian facilities comply with the Americans with Disabilities Act. If differences exist, try to make them readily apparent. of the lane closure unless the end of work area is 48" x 24" as appropriate, shall be placed at the end A G20-2 "END ROAD WORK" sign, with minimum size of the locations indicated for lane closure during Each flag shall be at least 16" x 16" in size with at least two flags for daytime closure. For a detailed discussion of acceptable temporary delineation methods, refer to Section 4-12, Temporary Traffic Control, of this manual. Section 7-1.02A, General, requires the contractor to comply with current laws, regulations and decrees. Use an appropriate material, such as asphalt concrete, for the surface of all roadways and detours, except very temporary or minor facilities. Compensation for flaggers used for all movements of workers, construction vehicles, and equipment on or across lanes open to traffic will be included in the bid item of work involved. Verify contractors are assigning personnel and maintaining closures in accordance with the T Series Standard Plans. Check Current Highway Conditions Enter Highway Number(s) You can also call 1-800-427-7623 for current highway conditions. Hand digging is required unless the location is free of underground utilities. Road closures and delays are subject to change due to weather. The contract item price includes the costs of maintaining, replacing, and repairing channelizers. Emergency closures can be searched under Statewide. Verify the contractor installs Type P or Type R markers when required. When portable signal systems are used in forests or grasslands, confirm adherence to all fire safety requirements. Directing the contractor to move the portable flashing beacon after initial placement is change order work. During daylight operations, the vehicles facing oncoming traffic should have their headlights and their flashing amber lights turned on at all times. The Public Utilities Commission crossing number shown on the railroad crossing sign, Date the detour will be put into use and the estimated time it will be in use, Estimated volume of traffic to be detoured over the crossing, Whether additional protection is proposed. Ramps and connectorsManaging ramps and connectors within a closure requires additional consideration. Confirm that changeable message signs, highway advisory radio, and other media tools provide accurate and timely information to motorists regarding closure times. Also, verify that flagging stations are laid out correctly, are visible to approaching traffic, are illuminated during nighttime, and have correct advance warning signs. The Angeles FOREST Highway is under our jurisdiction and closures for this highway can be found on our website. The following guidelines are intended only to guide engineering judgment and ingenuity: Following are guidelines for the design of roadways carrying traffic through work zones. If advanced flaggers or additional flaggers are not shown or specified, then Caltrans pays 100 percent by change order. During the term of the contract, the CHP may increase or decrease the rates shown in the contract by notifying the Caltrans statewide contract managers, who will notify the district coordinators. Once the task order is completed and signed by the Caltrans person requesting the services, fax, email, or send it to the local CHP area office. Economy will be a factor only as necessary to obtain balance between benefits and resources. Evaluate the COZEEP use criteria for complete highway closures and nighttime closures of one or more lanes on multilane highways. The effectiveness of handling traffic through night construction depends on the contract plans and the details of the contractors activities. Timelines for the contractor and the engineer to meet at the job site, review progress, and forecast when work will be stopped to open the lane, shoulder, ramp, or route to the public. Consider additional signage and temporary lighting for crossovers. Include these considerations for conditions requiring minor changes in the field: The following guidelines apply to crossover transitions: For temporary modifications of existing ramps, review acceleration and deceleration lanes. Keep the projects completion dates current in the LCS. Confirm the contractor uses the long-term temporary pavement marker for 180 days or less and the short-term temporary pavement marker for 14 days or less. Require proper maintenance of plastic traffic drums. Portable delineators are paid for as part of the contract item for the traffic control system. Initial placement of each barricade is paid for as a contract item at the time of placement. Verify the proper types of flashing arrow signs are used. If new asphalt concrete joins existing asphalt concrete, the difference in texture and color between them creates a taper in the new traffic lane that may convey the wrong sense of direction, especially at night or in rain. Notify Me. The resident engineer must track COZEEP hours used and estimate expenditures each month. Flashing arrow signs are paid for as part of the contract item for the traffic control system. Caltrans began a major project to retrofit the San Francisco-Oakland Bay Bridge to current seismic design standards in summer 1998 and expects to complete the work by winter 2014. . Do not allow the use of a damaged impact attenuator vehicle. All cones should use the same type and brand of 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. Verify telescoping flag trees maintain an upright position when being used. Inspect Category 2 temporary traffic control devices to confirm they are labeled with the FHWA acceptance letter code and the name of the manufacturer. The CHP will submit the COZEEP service summary electronically for payment with a confirming hard copy to the district COZEEP coordinator. The maintaining traffic special provisions for capital projects provide for compensating contractors for early pickup. Click on the Nextbutton at the bottom right to go to the next slide. Use these guidelines when necessary during construction to make changes in traffic control plans. Consider sight distance for drivers because of temporary features such as falsework impeding view of traffic signal systems. For example, a project that will occur Monday through Thursday for the next week would require only one task order. Verify that garments worn by the contractor's staff comply at least with ANSI 107-2004 Class 3. Verify that one type of crash cushion module is used for a single grouping or array. Routinely inspect temporary pedestrian facilities for compliance. Keep pedestrian facilities clear of obstructions. When evaluating cost reduction proposals and change orders requested by the contractor, take into account the costs and savings for COZEEP services. In addition, the plans provide traffic handling details during construction of the structure work per Traffic Handling Plans and related plans including TH-3 (Sheet 54 of advertised plans). Drums used instead of cones, barricades, or delineators as part of a traffic control system or used as specified under Public Safety section in the contract are not to be paid for at contract item price. Acts as the single focal point for all traffic decisions resulting from planned activities on the State Highway System. 555 were here. Verify no-passing zone signs are removed when no longer required. A planned lane closure list for an entire route within California Total # of Existing Lanes The number of lanes on a freeway, highway or surface street Abbreviations Hwy Highway NB,EB,WB,SB Northbound, Eastbound, Westbound, Southbound S/O South of Closure ID Closure ID # Closure Identification Number. TPAR requirements described in the specifications. Caltrans reimburses CHP officers who provide COZEEP services on overtime at time and a half. Maintaining such closures is a full-time assignment, and the assigned worker should have no other duty. If a system shutdown occurs, planned or unplanned, the contractor should provide flaggers to control traffic until the traffic signals are functioning correctly. Motorists who are forewarned of construction conditions may be more tolerant of delay and inconvenience and probably will be more alert and responsive to work zone traffic control. Follow these guidelines and general considerations for reviewing and approving traffic control plans. 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. The contractor develops a construction contingency plan to identify activities, equipment, processes, and materials that may delay reopening of closures in the event of failure or breakage. The traffic control system for flaggers should follow Sheet T13 of the. Caltrans announced a 59-hour weekend closure of Seacliff off and on ramps on southbound Highway 101 in Ventura County . Emerald Grove Ave from Riverview Av to End of County Maintained Road. Obtain the name and contact information for the assigned onsite system coordinator. At the end of the shift, the senior CHP officer onsite should estimate travel time and mileage for each officer from the project site to the CHP office. Construction activities such as night paving may be a deciding factor when the operation requires a large number of trucks into and out of the work area. Caltrans TMP for the Bay Bridge Full Closure. To protect the highway during construction, improvement, or maintenance operations. Verify that the contractor has all components on hand before setting up any traffic control system and that all components meet the specifications requirements. Verify visibility and legibility requirements. In accordance with the agreement, cancellations received less than 24 hours before work is to begin will be charged a cancellation fee of $50. When the officer or officers arrive at the project site, the senior CHP uniformed officer will check in with the Caltrans project supervisor who should initiate Form CEM-2101, COZEEP Daily Report. The daily report number will also be the project identifier number. Confirm that the task order, which has five parts, is completely filled out. Strategies that may result in a net reduction of overall delay for motorists include full facility closures, extended weekend closures, continuous weekday closures, A+B contract specifications, and performance-based, traffic-handling specifications. Verify the signs are properly aimed at approaching traffic. When the work has safely progressed beyond the supplemental taper, remove the upstream taper and tangent. The transition should be accessed before such features. Otherwise, Federal (MUTCD) codes are shown. Workers may operate vehicles opposite the flow of traffic inside a closed lane only with the prior authorization of the resident engineer. To implement COZEEP, use the guidelines below, intended to apply COZEEP resources more uniformly throughout the state. Use alternate methods to delineate this type of surface. To enhance night visibility, delineate material, equipment, excavations, or obstructions 15 feet or more from the traveled way. Confirm that AFAD are placed in accordance with the plans and where clearly visible to the AFAD operator and to approaching traffic. Contractor will collect 7 day 24 hour traffic counts from Caltrans. Do not allow the contractor to mix different types of temporary traffic control devices on the same alignment. Remind the contractor of the requirement to complete the LCS web-based training. The contractor compliance report forms are available at: Verify the flashing arrow sign trailer can be leveled and plumbed. Contract managers direct their respective separate contracts or agreements, such as for rideshare activities, transit activities, and public awareness campaigns. Temporary traffic control devices are divided into categories: The condition of temporary traffic control devices should comply with the most current edition of the American Traffic Safety Services Association (ATSSA) publication Quality Guidelines for Temporary Traffic Control Devices and Features. 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. Also, when possible, use barrier vehicles or an impact attenuator vehicle between the approaching motorist and workers on foot. Questions? Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. The Caltrans QuickMap drop down menu labeled Options enables the layer to be turned on or off. The project has sufficient funds available to pay for the CHP support. Acts as a resource for the resident engineer, the DTM, and the TMP manager during TMP implementation. Observe the flagging operation to verify that flaggers are using the correct procedures for directing motorists in accordance with California Code of Regulations, Title 8, Section 1599,(8 CCR 1599) Flaggers, and Chapter 6E, Flagger Control, of the California MUTCD. Some reviews should take place at night, particularly when a major traffic change has taken place. 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. Verify that temporary traffic stripe tape for use more than 14 days is applied according to the specifications, and temporary traffic stripe tape to remain in use 14 days or less is applied according to the manufacturers instructions. @CaltransDistrict7 crews are working to clear the roadway to make it safe for travel. After installation, review the screen placement, especially near entrance and exit ramps. Acts as the focal point for development and implementation of TMPs. For high-visibility garment requirements refer to Section 2-106D, High-Visibility Garment, of this manual. For construction projects awarded after June 30, 2021, all records are to be stored electronically in the Caltrans Falcon electronic document management system (FalconDMS). Updated information available at # caltrans8 TMC ALERT Retain documentation of these reviews in Category 6, Safety, of the project records. Any activity requiring a full roadway closure, Rapid-strength concrete operations, including concrete slab replacement, Roadway excavations that encroach on the traveled way and are not protected by K-rail, Cold planing hot mix asphalt for depths of 2 inches or greater, Asphalt or concrete pavement sealing operations, Placement of reinforcing steel or structural members, Falsework erection or removal, including adjustments. Consider use of changeable message signs in advance of the work, in addition to the signs and warning devices shown on the plans for traffic control systems. Verify that the contractor uses the LCS Mobile website to status closures in a timely manner. This layer is updated from information provided by Caltrans Headquarters Communication Center in support of state emergency response efforts for 2022 incidents. Critical work activities are those performed in a closure that would render any portion of the traveled way unsuitable for public traffic use. Verify that traffic handling devices meet the visibility and legibility requirements. During construction, district construction directs the implementation of TMP elements that are part of the contract or encroachment permit. Dated notations or revisions to plans may be helpful. During these reviews, examine the locations of planned roadside obstacles as well as protective safety devices, signs, striping, detours, falsework, temporary railing, attenuators, and clear recovery zones. During the inspection, drive through the system as though you had no knowledge of the work zone. With approval from the District Lane Closure Review Committee, you may exceed the 30-minute maximum delay. CHP officers are supposed to be assigned from the nearest local office. The area where the surfacing joins the existing roadway can be critical. The contractor is responsible for accommodating pedestrians through or around the work zone. Verify temporary pavement delineation is maintained until it is replaced with the permanent pavement delineation. The change order must clearly state there will be adjustment on the traffic control system item by reason of this change. A G20-2 "END ROAD WORK" sign, as appropriate, shall be placed at the end of the lane closure unless the end of work area is obvious or ends within a larger project's limits. 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. 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. Verify the temporary flashing beacon system includes a backup power source and automatic transfer switches. Remind the contractor to notify the regional notification centers before digging for the installation of signposts. Verify that the line of sight visibility in the field meets sight distance standards. Do not permit rocks, concrete, or other hard objects to be used for this purpose. 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. Once assigned to the project, do the following: When others administer the contract, oversight of traffic through and around a work zone involves overseeing and working with the local agency or private entitys resident engineer.