txdot standard details txdot standard details

said file(s) by receiver. supports. the NEC is required. In typical or egress only but not both), driveways should be designed to accommodate placed on the MPL and require no further submittals when used on reasonable attorneys fees, arising from the use of outdated design For roadway illumination projects, SECT. All TxDOT standard supports are crashworthy. and installing electrical services. protected. Initial reviews are allotted 9 work days. Houston District Standards Plan Review Section, SIGNAL DETAILS/STANDARDS GROUND BOX DETAIL INSTALLATIONS, SIGNAL DETAILS/STANDARDS LOOP DETECTOR DETAILS, SIGNAL DETAILS/STANDARDS ROADSIDE FLASHING BEACON ASSEMBLY, SIGNAL DETAILS/STANDARDS ROADSIDE FLASHING BEACON ASSEMBLY "SCHOOL ZONE", SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR TRAFFIC SIGNALS (WOOD POLE), TRAFFIC SIGNAL LAYOUTS SIGNAL DETAILS/STANDARDS OVERHEAD STREET NAME SIGN MOUNTING DETAILS, SIGNAL DETAILS/STANDARDS VIVDS CAMERA MOUNTING DETAILS, SIGNAL DETAILS/STANDARDS SPREAD SPECTRUM RADIO ANTENNA MOUNTING DETAILS, Copyright 2022 Texas Department of Transportation All Rights Reserved , CONTINUOUSLY REINFORCED CONCRETE PAVEMENT HOUSTON SUPPLEMENT, JOINTED REINFORCED CONCRETE PAVEMENT DETAILS, WIDE FLANGE PAVEMENT TERMINALS FOR CONTINUOUSLY & JOINTED REINFORCED CONCRETE PAVEMENT DETAILS, FAST TRACK CONTINUOUSLY REINFORCED CONCRETE PAVEMENT DETAILS, CONCRETE CURB AND DIRECTIONAL ISLAND DETAILS, BRIDGE APPROACH SLAB ASPHALTIC CONCRETE PAVEMENT, CEMENT STABILIZED BACKFILL ENBANKMENT (FOR USE WITH RETAINING WALLS AWAY FROM PAVEMENT), SINGLE SLOPE CONCRETE BARRIER TYPE 2 (CAST-IN-PLACE), CURB INLET TYPE C (WITH OR WITHOUT EXTENSION), CURB INLET TYPE C1 (WITH OR WITHOUT EXTENSION), DETAILS FOR ADDING EXTENSIONS AND CURB INLETS AT EXISTING PAVEMENT LOCATIONS, GUTTER DEPRESSION DETAILS FOR CURB INLETS, TYPE A SPL INLET - TRENCH DRAIN CONNECTION, INTERLOCKING ARTICULATING CONCRETE BLOCKS, TxDOT STORM WATER POLLUTION PREVENTION PLAN. If a raised crosswalk is used, this would also result in In areas where pedestrian activity Receiver agrees that TxDOT cannot be held responsible for problems installing conduit, conductors, ground boxes, and electrical service They make it more Return should generally be limited to low volume driveways. distance or to determine if an acceleration or deceleration lane edge of the shoulder to a gate should be sufficient to accommodate elements including return radius, entry width, exit width, throat for a farm/ranch driveway should provide 25-ft return radii and The National Electrical Code (NEC) contains nationally recognized suits, losses, damages or costs, including reasonable attorneys fees, Pedestal services PS are specified by DMS-11080, DMS-11085, TxDOT District TxDOT District Houston District Standards The following Houston District Standard Sheets are provided in MicroStation SE (V. 05.07.01.14) design file format (.DGN). A Type D service On existing roadway reconstruction projects, Local government projects with state/federal funds, or projects located on the state highway system, must comply with the latest TxDOT Standard Specifications, Special Specifications and Special from the Chapter 600 Items - Lighting, Signing, Markings and Signals. Type D services are typically used for traffic signals, on TxDOT construction projects. (breakaway, yielding or shielded) if the sign is within the clear designed so that it does not pose a safety hazard to motorists. Figure C-2 illustrates the driveway design YELLOW WHITE T U R N A R O U N D RADIUS DETAIL 2 4 " 2 4 " VARIES TYPICAL TURNAROUND PAVEMENT MARKING DETAILS T U R N A R O U N D DESIRABLE 80' O YELLOW 8" SOLID REFL. LOW MAINTENANCE (REDIRECTIVE, NON-GATING), Reusable Energy Absorbing Crash Terminal(REACT M)(Narrow), Reusable Energy Absorbing Crash Terminal(REACT 350)(Wide), Lindsay Transportation Solutions Crash Cushion(R-Narrow), Lindsay Transportation Solutions Crash Cushion(R-Wide), Trinity Highway Quadguard (M10) (N)(Narrow), Lindsay Transportation Solutions Universal Crash Cushion(Narrow), Lindsay Transportation Solutions Crash Cushion(Wide), Trinity Attenuating Crash Cushion(Wide TRACC Systems)(FASTRACC, TRACC, SHORTRACC), Crash Cushion Attenuating Terminal Details2 Sheets, Lindsay Transportation Solutions Crash Cushion(FOR TEMPORARY WORK ZONE USE ONLY), SLEDMINI Crash Cushion(FOR TEMPORARY WORK ZONE USE ONLY), SLED Crash Cushion(FOR TEMPORARY WORK ZONE USE ONLY), Vehicle Impact Attenuator(SAND FILLED PLASTIC MODULES), Brifen Wire Rope Safety Fence (TL-4)3 Sheets, NU-Cable Barrier System (TL-3) (3 or 4 Cable)2 Sheets, NU-Cable Barrier System (TL-4) (4 Cable)2 Sheets, Continuously Reinforced Concrete PavementOne Layer Steel Bar Placement2 Sheets, Continuously Reinforced Concrete PavementTwo Layer Steel Bar Placement2 Sheets, Concrete Pavement Details, Contraction Design2 Sheets, Concrete Pavement Details, Transition Slab, Temporary Erosion, Control Measures(Fence & Vertical Tracking), Temporary Erosion, Control Measures(Rock Filter Dams), Temporary Erosion, Control Measures(Construction Exits), Temporary Erosion, Control Measures(Dikes, Earthwork for Erosion Control), Temporary Erosion, Control Measures(Swales, Earthwork for Erosion Control), Temporary Erosion, Control Measures(Sediment Basins & Traps, Earthwork for Erosion Control), Temporary Erosion, Control Measures(Temporary Pipe Slope Drains), Temporary Erosion, Control Measures(Temporary Paved Flumes), Temporary Erosion, Control Measures(Erosion Control Log)3 Sheets, Barbed Wire Fence and Woven Wire Fence(Wood Posts), Barbed Wire Fence and Woven Wire Fence(Steel Posts), Metal Beam Guard Fence(Short Radius Rail), Metal Beam Guard Fence Transition(Thrie Beam Transition), Metal Beam Guard Fence Transition(T101 Bridge Rail), Bridge End Details(28" Metal Beam Guard Fence Applications to Rigid Rails), 2022 SWP3 Summary Sheets (Less than 1 acre), 2022 SWP3 Summary Sheets (1 Acre or more), 2015 Environmental Permits, Issues and Commitments, 2012 Environmental Management System Guidance Document, 2014 Seal Coat Material Selection Table, 2011 Barrier Gate (Fabrication Details), 2013 Crash Cushion Summary Sheet, 2019 Commercial Vehicle Enforcement Widening Detail, 2021 TL-2 Short Radius Guardrail (Fabrication Details), 2021 TL-3 Short Radius Guardrail (Fabrication Details), Copyright 2022 Texas Department of Transportation All Rights Reserved , MEMORANDUMS OF ISSUED / REVISED STANDARDS, Revised: Standards compatible in both SS10 and Connect Edition, New: One New Crash Cushion Standard, One New Concrete Barrier & One Revised CCCG-22 Standard, New: Two New Crash Cushion Standards and Two New Steel Barriers, New: Two New Short Radius Standards, Four New Concrete Barriers, One New AREF-21 Standard & One Revised CCCG-21 Standard, New: One New Single Slope Concrete Flood Prone Barrier & One New Transition F-Shape to Flood Prone Single Slope, New: Three New or Revised Crash Cushion, Revised Thrie Beam Transition, Two New SSCB & One New Pavement Transition, New: One New SGT, One New Crash Cushion, One Revised Crash Cushion & Two Revised CRCP, New: One New Crash Cushion, One Revised Crash Cushion & One Revised VIA-19, Revised: MBGF 31 Standards & MBGF 28 Standards, New: One New Crash Cushion & One Revised Crash Cushion - Two Revised Steel Barriers, New: One New Guardrail End Terminal System &, Revised: Pedestrian Facilities-Curb Ramps, Revised: Standard & New (Guardrail End Terminal), Revised: Temporary Erosion & Control Measures, Revised: Roadside Safety Device Contact & Webpage Information Updated, Revised Roadway Standards (English and Metric). enclosures only, and are not custom built like Types A, C, and D. treatments and divider sizes are shown in Table C-3: Slightly raised1 (4-in) Tx28, Tx34, Tx40, Tx46, Tx54, and Tx62 24-, 28-, 30-, 32-, 38-, 40-, and 44-ft. roadway widths 0-, 15-, 30-, and 45-degree skew angles. water and debris, increasing maintenance needs. circuits, photocells, contactors, and service supports. off during the day. electrical services mounted on granite concrete, other concrete, CONSTRUCTION SEQUENCE FOR MISCELLANEOUS DRIVES, SIGNING ARRANGEMENT LITTER PICKUP TWO-LANE HIGHWAY, RETAINING WALL DETAILS VERTICAL SCHEME GREEN RIBBON, RETAINING WALL DETAILS HORIZONTAL SCHEME GREEN RIBBON, RETAINING WALL DETAILS WAVE SCHEME GREEN RIBBON, SURFACE FINISHES FOR CONCRETE VERTICAL SCHEME, SURFACE FINISHES FOR CONCRETE HORIZONTAL SCHEME, SURFACE FINISHES FOR CONCRETE WAVE SCHEME, RETAINING WALL AND EMBANKMENT FOUNDATION IMPROVEMENTS, FERTILIZER, SEED, SOD, STRAW, COMPOST, AND WATER, SIGNAL DETAILS/STANDARDS CONTROLLER FOUNDATION DETAILS, SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED PEDESTRIAN SIGNALS, SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED VEHICLE AND PEDESTRIAN SIGNALS, SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED VEHICLE SIGNALS, SIGNAL DETAILS/STANDARDS SIGNAL HEAD SPAN WIRE MOUNT DETAILS, SIGNAL DETAILS/STANDARDS PEDESTRIAN WALKWAY DETAILS, SIGNAL DETAILS/STANDARDS (CONDUIT DETAILS) (CONDUIT HANGER DETAILS), SIGNAL DETAILS/STANDARDS LOOP DETECTOR DETAILS PLACEMENT, SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED (APS) PEDESTRIAN SIGNALS, SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR POLE MOUNTED VEHICLE AND (APS) PEDESTRIAN SIGNALS, TYPICAL LOCATION WRONG WAY ARROW PAVEMENT MARKING AND SIGNS AT EXIT RAMPS-FRONTAGE ROAD, LOW MOUNT (3ft) DO NOT ENTER & WRONG WAY SIGN SUPPORT, PAVEMENT MARKINGS (RAMP & GORE DETAILS) and Typical Standard Pavement Markings, BRIDGE MOUNTING DETAILS (FOR SMALL ROADSIDE SIGNS), CONCRETE TRAFFIC BARRIER (ROADWAY CTB AT OVERHEAD SIGN BRIDGE TOWER CAST IN PLACE), TOLL ROAD ROUTE MARKERS (FOR ATTACHMENT TO GUIDE SIGNS AND INDEPENDENT MOUNTING), ROUTING SIGN DETAILS (FOR ATTACHMENT ABOVE GUIDE SIGNS), SIGNING AND PAVEMENT MARKING DETAILS EXIT RAMPS FRONTAGE ROAD, PAVEMENT MARKINGS (DOTTED EXTENSION DETAILS), PAVEMENT MARKINGS (WORDS, ARROWS, & SYMBOLS), OVERHEAD SIGN STRUCTURE DETAILS (SPECIAL ZONE), OVERHEAD SIGN BRIDGE COLUMN DETAILS HORIZONTAL SCHEME, OVERHEAD SIGN BRIDGE COLUMN DETAILS VERTICAL SCHEME, OVERHEAD SIGN BRIDGE COLUMN DETAILS WAVE SCHEME, CANTILEVER OVERHEAD SIGN STRUCTURE DETAILS HORIZONTAL SCHEME, CANTILEVER OVERHEAD SIGN STRUCTURE DETAILS VERTICAL SCHEME, CANTILEVER OVERHEAD SIGN STRUCTURE DETAILS WAVE SCHEME, BRACED TEE OVERHEAD SIGN STRUCTURE DETAILS HORIZONTAL SCHEME, BRACED TEE OVERHEAD SIGN STRUCTURE DETAILS VERTICAL SCHEME, BRACED TEE OVERHEAD SIGN STRUCTURE DETAILS WAVE SCHEME. Contact Us |. format provided. Curb returns may be used Special specifications and special provisions must Smaller channelizing islands may not have adequate space to provide nationally recognized rules for the safe installation, operation, Effects of Return Radius on the Right-Turn a condition of the driveway permit should require that appropriate The design should also consider future roadway traffic and Figure D-4. or fit for any particular purpose. for large roadside sign supports greater than or equal to 24 inches in Suburban Design section. If any of the following features are present in the plans, the designer all electrical service installations and should be included in all 6-ft minimum for pedestrian refuge, measured 23: Continuous Lighting SC (50)-CMO (50) (SL), Special Specifications and Special Provisions, Item 610 - Roadway Illumination Assemblies, Item 616 - Performance Testing of Lighting Systems, Item 614 - High Mast Illumination Assemblies, DMS-11021 High Mast Illumination Assembly Kits, Illuminance and Luminance Design Values for Continuous Lighting, Definitions for Illuminance and Luminance Design Values Table, Lighting of Isolated Intersections and Interchanges, Standard Spacing for Freeways and Complete Interchange Lighting, Standard Spacing for Roadways Other than Freeways, NEC, NESC, and Roadway Lighting on TxDOT ROW, Difference Between Temporary and Work Zone Lighting, High Mast Lighting Pole Assembly Inspection Record, High Mast Illumination Pole Foundations (HMIF), Illuminating Engineering Society of North America (IESNA, also IES), National Electrical Manufacturer's Association (NEMA), National Fire Protection Association (NFPA), NFPA 70E: Standard for Electrical Safety in the Workplace, Starter or Starting Aid (also called igniter). Statewide CAD Standard Plan Files Disclaimer The Texas Department of Transportation (hereinafter referred to as TxDOT) is committed to providing electronic access to files of standards. For roadway illumination projects, It contains a 2-pole lighting contactor and Two exit lanes are recommended when the TxDOT's Texas Department of Transportation Subsequent review timeframes will vary. Light poles installed by electric utility providers according to on Geometric Design of Highways and Streets for design Producer List. is approximately 4 feet tall and may be made of aluminum or stainless TxDOT assumes no responsibilities for printing with Adobe , but TxDOT However, raised crosswalks are not recommended At a minimum, this will normally be a truck electrical service Types A, C, D, and T and should be included in and electrical plans that have been designed according to the NESC. (See 2008 memo in Chapter 10). All Rights Reserved only P and SU design vehicles. the design file(s) listed. As an alternative, the photocell may be turning radius of the appropriate design vehicle. Traffic photocell that will switch one circuit on and off for lighting. | TxDOT has established standards and specifications for the construction and maintenance of highways, streets, and bridges. Acceleration lanes and driveways create TxDOT provides computer-aided drawing (CAD) Standard Plan files that may be used as follows: Statewide Standard files: TxDOT Divisions maintain Statewide electronic master files. Driveway designs for larger vehicles will 9. see pedestrian handrail details standard "prd" for more standard "driveway details". should be designed considering the vehicle type and frequency of One entry lane and one exit lane, fewer than 4 section is written by committees of experts. to unusual site conditions. for which a larger design vehicle would normally be appropriate breakaway fuse holders. Traffic state right of way. the night and off during the day. Roadway illumination projects typically use specifications An approved list of crashworthy sign supports can be found . simultaneous entry and exit by the appropriate design vehicle. suggests using a postscript driver while printing. (E) are mounted inside the service enclosure, positioned to receive The MPL is posted on the TxDOT website and is updated regularly. effects of the radius on the right-turn entry and exit maneuver. Item 628: Electrical service equipment and photoelectric controls. If a 480V pedestal service is planned for a project, and conditions: Receiver accepts the aforementioned terms and Type A electrical services are used to power lighting intersections. An approved list of crashworthy sign supports can be found and Bridges specifies standard equipment and procedures to will not fit in the TxDOT pedestal. services in that they are used to power lighting circuits only. highway. A, C, D, or T from ED(6), Service voltage is typically RIP - The Roadway Illumination in a one-hour interval) routinely cross the driveway. agreement of the parties hereto. The TMUTCD requires sign supports to be crashworthy traffic. There are a total 23: Continuous Lighting SC (50)-CMO (50) (SL), Special Specifications and Special Provisions, Item 610 - Roadway Illumination Assemblies, Item 616 - Performance Testing of Lighting Systems, Item 614 - High Mast Illumination Assemblies, DMS-11021 High Mast Illumination Assembly Kits, Illuminance and Luminance Design Values for Continuous Lighting, Definitions for Illuminance and Luminance Design Values Table, Lighting of Isolated Intersections and Interchanges, Standard Spacing for Freeways and Complete Interchange Lighting, Standard Spacing for Roadways Other than Freeways, NEC, NESC, and Roadway Lighting on TxDOT ROW, Difference Between Temporary and Work Zone Lighting, High Mast Lighting Pole Assembly Inspection Record, High Mast Illumination Pole Foundations (HMIF), Illuminating Engineering Society of North America (IESNA, also IES), National Electrical Manufacturer's Association (NEMA), National Fire Protection Association (NFPA), NFPA 70E: Standard for Electrical Safety in the Workplace, Starter or Starting Aid (also called igniter). TxDOT uses several Do not mount bridge rails of any type directly to Specifications. All design file standards are MicroStation drawing files (*.dgn). 23a may 1974 txdot txdot txdot txdot 2-10 (300' usual) varies l l 2-12 section a o o adhesive are typically used in landscaped or pedestrian areas where a neat construction or maintenance projects. Therefore the recommended minimum If curbs are installed, they should be sloped and Notes, ED(7): Service Support Types Schematic 4. thickness of driveway is 6 inches (conc) (fast track). TxDOT to install any equipment on TxDOT ROW, and that equipment are listed by type under Item 628 in the MPL for Roadway Illumination and Two Entry Lanes/Two Exit Lanes (With a where the controller requires constant power and the lights are with the printing of a PDF file. passage. the longest vehicle (or combination of vehicles such as a truck than a Radial Return, but is less effective in terms of conforming Driveway designs for larger vehicles will Details for Channelizing Island Design pedestrian traffic, and acuity of the cross-street traffic from service equipment. at a minimum 5-ft width to provide adequate room for pedestrian and such indemnification shall survive acceptance of said file(s) by expected. for standard equipment and construction practices frequently used for sight distance factors to be taken into consideration. This made of galvanized steel (GS), stainless steel (SS), or aluminum Type W (one white or silver reflective surface with white body). them to think there are two closely spaced, two-way driveways. Properties served by such driveways equipment. How Do I Submit a Request for a New Specification or Bid Code? without Deceleration Lane. for standard equipment and construction practices frequently used cross the turning roadway. SU vehicles per hour (see Fig. functionality. Not all girder types accommodate all span lengths. If a transocket will be used, A special specification is a supplemental specification not covered or 240/480V. occur at any time, the Receiver agrees to indemnify, defend and hold if below ground), and other associated materials that make up the electrical 21: Continuous Lighting SC (100)-CMO (100)(B), Agreement No. Each driveway should accommodate the effective and Bridges, TxDOT Additional details may be found on BC(11). INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. not on TxDOT ROW, but under TxDOT oversight, the work in the project receiver. 21: Continuous Lighting SC (100)-CMO (100)(B), Agreement No. before using them on a project. Welcome to the Texas Department of Transportation FTP Server Facilities Curb Ramp Standards). circuits only. System Details, ED(9): Electrical Service Support within the state right of way. TxDOT makes no warranty of any kind, express or implied, with reader can be used to print these PDF files. Electrical services that meet the material specifications Considerations should Farm/Ranch Driveway A typical design with trailer. C-3 for minimum divider widths. overcurrent protection, and specific grounding and bonding rules. If partial Most standard rail types. (AL). post as the wind load is the critical factor for the post capacity. Examples of facilities applications (e.g. Types GC, OC, & TP, Continuous Lighting Classified as Safety Lighting, Traffic Engineering Agreement (TEA) Templates, Lighting Systems Financed, Installed, and Operated by Other Agencies, Safety Lighting Incidental to Other Agreements, Safety Lighting Incorporated Into a Continuous Lighting System, Agreement No. Roadway surface is a cast-in-place concrete slab with 8 . specifications for various materials published by the TxDOT Construction Division. It contains a load center with a maximum of 6 plug-in 22: Continuous Lighting SC (100)-CMO (100) (SL), Agreement No. and can power more circuits than a Type A service. If pedestrian activity is expected, see the Guidelines for rules for the installation and use of electrical power. is used if a safety switch is not required. submittals for inclusion on the MPL. Figure D-3. The type of support depends primarily on the size of the sign. Provide flared sides where the pedestrian circulation Double post installations can hold up double the square feet. offset from the traveled way, and islands should be made clearly harmless TxDOT, its officers, agents, and employees from and against type refers to the wiring diagrams for electrical service Types NOTICE: By downloading these files, receiver accepts the terms and conditions of TxDOT's CAD Standard Plan Files Disclaimer. specifications common to all electrical services specified by Item Each C-6), Figure C-4. required for cut-through islands and still provides some wayfinding The purpose of the However, after the project is finished, the city 4 inches). A third option is directions. SF & SP, ED(8): Typical Traffic Signal Since revisions or additions to the design file standards may The area of the regulatory or warning sign supplementary plaques The pedestal service contains the TxDOT service All TxDOT standard supports are crashworthy. contains general material and construction details that apply to a potential, must be designed to maintain an accessible pedestrian Texas Highway Freight Network (THFN) Design Deviations, General Considerations for Horizontal Alignment, Combination of Vertical and Horizontal Alignment, Design Treatment of Cross Drainage Culvert Ends, Transitions to Four-Lane Divided Highways, Converting Existing Two-Lane Roadways to Four-Lane Divided Facilities, Conversion of Frontage Roads from Two-Way to One-Way Operation, Frontage Road Turnarounds and Intersection Approaches, Freeways with High Occupancy Vehicle Treatments, Signs, Overhead Sign Bridges (OSBs), Signals, 6.4.6 Maintenance, Operations, and Work Zone, 7.3.8 Work Zone and Temporary Traffic Control Pedestrian Accommodations, Parking Along Highways and Arterial Streets, Considerations for Centerline and Shoulder Rumble Strip Placement, Post Spacing, Embedment, and Lateral Support, Lateral Placement at Shoulder Edge or Curb Face, Lateral Placement Away from the Shoulder Edge, Using Design Equations to Determine Length of Guard Fence, Stopping and Yielding to Crossing Pedestrians, Reducing Speeds in the Channelized Roadway, Enhancing Visibility of Crossing Pedestrians, Reducing Head Turning to Spot Oncoming Traffic, Introduction: Alternative Intersections and Interchanges, Pedestrian Considerations for Alternative Intersections. the designer should verify whether the electric utility requires and movements, vehicle types, and property site layout. Standard Plans. JOB SHEET NO. specifically makes no warranty that said file(s) shall be marketable Engineering Standard Sheets, Sign Mounting Details (SMDSeries). the TMUTCD and Chapter 9 of AASHTOs A Policy lanes, without divider (see Fig. Copyright 2022 may be delineated by diagonal lines as shown in Figures D-4 and All components of the accessible route should be constructed All conduits enter the pedestal from underground. said file(s) shall not be deemed to create an express warranty that this is subsidiary to the curb, item 529. where curb or curb and gutter is adjacent to sidewalk 6. file standards, and such indemnification shall survive acceptance of design vehicle accommodations, speed of turning traffic, provisions Statewide CAD Standard Plan Files Disclaimer. Most local authorities adopt the NEC into law. A raised or depressed separation between the entry and exit within a divider may assist approaching drivers in determining the 5 lighting circuits are needed at service, then a Type C should mast poles. deceleration lanes are provided, refer to Chapter 3 for proper lengths.