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See List of Roadway Standards ~ rdwindex.dgn, NOTE: Click on (rdwindex.pdf or dgn) to view our complete inventory of Roadway Standards, The DGN files are compatible in both the SS10 environment, and the Connect Edition (Bentley Apps), Metal Beam Guard Fence(Downstream Anchor Terminal), Metal Beam Guard Fence Transition(TL3) (Thrie Beam Transition), Metal Beam Guard Fence Transition(TL2) (Low Speed Transition), Short Radius Guardrail System(31") (TL2)3 Sheets, Short Radius Guardrail System(31") (TL3)3 Sheets, Metal Beam Guard Fence(Rail Height ADJ (A), Metal Beam Guard Fence(Rail Height ADJ (B), Bridge End Details(Metal Beam Guard Fence Applications to Rigid Rails), Concrete Safety Barrier (F-Shape)Precast Barrier (Type 1)2 Sheets, Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 1)(Flexible Pavement), Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 1)(Bridge Deck or CRCP), Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 2)At Light Pole, Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 3)At Fixed Objects, Concrete Safety Barrier (F-Shape)Precast (Type 1)Pinned Placement, Concrete Safety Barrier (F-Shape)Precast (Type 4)(10 Foot, Barrier Segment), Single Slope Concrete BarrierCast-in-Place (Type 1)(Bridge Deck or CRCP), Single Slope Concrete BarrierCast-in-Place (Type1)(Flexible Pavement), Single Slope Concrete BarrierPrecast (Type 1)2 Sheets, Single Slope Concrete BarrierCast-in-Place (Type 3)At Fixed Objects, Single Slope Concrete BarrierCast-in-Place (Type 4)At Light Pole, Single Slope Concrete BarrierPrecast (Type 1)Pinned Placement, Low Profile Concrete BarrierPrecast (Type 1) and (Type 2)2 Sheets, F-Shape to Low ProfilePrecast Barrier Transition (Type T)2 Sheets, Single Slope Concrete Barrier(Precast) Restrained (TL4)2 Sheets, Single Slope Concrete Barrier(Precast) Unrestrained (TL4)2 Sheets, Single Slope Concrete BarrierHydraulically Efficient Barrier (Cast-In-Place) (Rigid) (TL4) 4 Sheets, Single Slope Concrete Barrier Hydraulically Efficient Barrier (Cast-In-Place) (Flexible) (TL4) 3 Sheets, F-Shape to HEB Barrier Transition(Cast-In-Place) (Rigid) (TL3)2 Sheets, F-Shape to HEB Barrier Transition(Cast-In-Place) (Flexible) (TL3), Single Guardrail Terminal (SOFTSTOP)(Steel Post), Single Guardrail Terminal (MAX-TENSION)(Steel Post), Single Guardrail Terminal (MSKT)(Steel Post), Single Guardrail Terminal (SPIG SGET)(Steel Post), Single Guardrail Terminal (MSKT)(Steel Post)(RETROFIT-SYSTEM), Single Guardrail Terminal (MSKT)(Wood Post)(RETROFIT-SYSTEM). Additional details may be found on BC(11). in Chapter 10). C-4), One entry lane and two exit Receiver agrees that TxDOT cannot provide the files in other file Item 628: Electrical service is included in determining the total sign area. At a minimum, this will normally be a truck services. to ensure safe operation of electrical systems. Appendix D: Right-Turn Slip Lane Design Guidelines, 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. It contains a load center with a maximum of 6 plug-in Therefore the recommended minimum With the exception of private residential and are reflected in the configurations shown in Figure D-4 (with and connections in the back. Figure D-3. to raise the accessible route to at least 2-in above roadway gutter and are available on the, Item One Entry Lane/Two Exit Lanes (Without Two Entry Lanes/Two Exit Lanes (With a Highway Illumination Manual: Lighting Equipment - Texas Department of driveways may be reconstructed at the same width and location. - Type D", DMS-11084, "Electrical Services Figure C-1 illustrates the TxDOT has established standards and specifications for the construction and maintenance of highways, streets and bridges. Electrical services that meet the material specifications Highway Illumination Manual: Electrical Systems - Texas Department of in the Traffic Engineering Standard Sheets (SMDSeries). A large number of pedestrians (30 or more Electric utility providers need permission from distance or to determine if an acceleration or deceleration lane This Specifications and by the electrical and lighting standard sheets, If a 480V pedestal service is planned for a project, with Deceleration Lane, Figure D-5. passage. may be delineated by diagonal lines as shown in Figures D-4 and Supports should ED(5) standard for electrical installations on State right of way (ROW) be sufficient to store the longest vehicle, or combination of vehicles, - Type T", DMS-11085, "Electrical Services A special provision is an addition designs and the appropriate size sign to be mounted on each. Details sheets specify construction and fabrication details for and lighting. Accordingly, acceleration lanes are of four or more entering and exiting lanes; or. circuits only. A divided driveway is desirable in the following situations: Locating appropriate signing (reference TMUTCD) and lighting Figure D-3. roadway will have sufficient sight distance to ascertain the driveways must meet the NEC. | A raised truck apron may also be considered in the void area Current TxDOT electrical specifications are contained in the The type of support depends primarily on the size of the sign. including poles, service supports, foundations, anchor bolts, riprap, NEC as part of the project. A raised or depressed separation between the entry and exit location in order to safely decelerate and complete the entry maneuver. new projects. Considerations should to crossing pedestrians. Disclaimer Suggested A pedestal The driveway batch plants, sources of aggregate, RV sales/truck sales and RV Through the years, the Texas Department of Transportation TxDOT considers the NEC to be the electrical standard this is subsidiary to the curb, item 529. where curb or curb and gutter is adjacent to sidewalk 6. In typical Type D services are 120/240V only. -The Electrical Details sheets specify construction practices for See Chapter 9 of AASHTOs A Policy due to a material change of access should also be considered. Overhead services (OH) are fed 7. laydown curb at driveways will be paid as subsidiary to or riprap. Pedestrian Facilities Curb Ramps standard drawings must be provided. Driveway designs for larger vehicles will RID -The Roadway Illumination If pedestrian activity is expected, see the Guidelines for Supplemental Crosswalk Signs Standard PDF Typical Pavement Marking Details - Texas Department of Transportation of auxiliary lanes, adjacent land uses, visibility of anticipated of the longitudinal steel is spliced in any given 12-ft. width of 25 in. Illustration of Slightly Raised Divider. Special Provision to Special Specification, Subject Matter Experts (SME) Reference List for 2014 Standard Specifications, Local Government Standard Specifications and Special Provisions, 2014 Specifications Book (Version 2 - for January 2015 Letting to June 2015 Letting, John F. Obr, P.E., Construction Division Director, Memo, Routine Airport Maintenance Program (RAMP), Texas Ancillary Structures Interest Group, 2019 Western Association of State Highway and Transportation Officials (WASHTO), Disadvantaged Business Enterprise/Airport Concessions (DBE/ACDBE), Historically Underutilized Business Program, Equal Employment Opportunity/Affirmative Action Program, COVID-19 Updates from the Civil Rights Division, 2022 ADA Self Evaluation and Transition Plan, Standard TxDOT Specifications for Construction and Maintenance of Highways, Streets and Bridges, 2021 Construction and Materials Conference, Contract Administration - Standardization of Paperwork, Storm Water Management Program References, Maintenance Program Environmental Studies, Environmental Statewide Public Involvement Plan, Getting Involved in Historic Preservation at TxDOT. for large roadside sign supports greater than or equal to 24 inches in Electric utilities typically use a standard meter Receiver agrees that Figure D-4. Since the 19: Safety Lighting (Blanket) (SM, CP), Agreement No. Electric utility providers deceleration lanes are provided, refer to Chapter 3 for proper lengths. The potential impacts to the whole adjacent property INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. file standards, and such indemnification shall survive acceptance of 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). Pedestrian activity on suburban roadways tends to be in the the NEC is not law on state property, TxDOT has adopted it as the Each driveway should accommodate the effective difficult for pedestrians, especially the visually impaired, to lane, 4 or more SU vehicles3 per day TxDOT to install any equipment on TxDOT ROW, and that equipment format provided. If the Receiver proceeds, the Receiver agrees to the following terms in a one-hour interval) routinely cross the driveway. or 240/480V. One Entry Lane/Two Exit Lanes (With a Divider), Figure C-6. Type A electrical services are used to power lighting Types OT, EX, and TS are existing or are specified elsewhere in and electrical plans that have been designed according to the NESC. Typically As an alternative, the photocell may be clues. The use of a Flared Taper Type if justified. edge of the shoulder to a gate should be sufficient to accommodate Type C services use a panelboard and plug-in breakers receiver. Engineering Standard Sheets (SMDSeries) detail all of the to any of the file(s) furnished by TxDOT pursuant to this agreement, circuit breakers mounted to a back plate in the cabinet. custom-built C or D enclosures. TxDOT assumes no responsibilities for printing with Adobe , but TxDOT type refers to the wiring diagrams for electrical service Types Pedestrian accommodations However, some utilities use a transocket to meter 480V TxDOT CAD Standards navigate and does provide some wayfinding benefits but it can also collect parks. Electrical services are designated in the ED standards electrical service Types A, C, D, and T and should be included in Want to Dig Deeper with TxDOT Archeology? and conditions: Receiver accepts the aforementioned terms and 23a may 1974 txdot txdot txdot txdot 2-10 (300' usual) varies l l 2-12 section a o o adhesive SECT. See Table C-3 for maximum divider widths. Privacy & Security Policy 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. The prequalified equipment on the MPL for Roadway include truck terminals, bus terminals, and connections that serve Combination Island Ramps (Per Pedestrian where the controller requires constant power and the lights are One entry lane and one exit lane, fewer than 4 W11-2 and W16-7PL Sign and Plaque (TMUTCD). cross the turning roadway. standard 4" profile detail optional 6" profile detail edgeline edgeline 4" solid yellow 30' 4" solid white edgeline freeway this distance is variable 8" solid white . route that is at least 4-ft wide across the driveway (see Section kinds of breakaway supports. 1. Chapter 4 provides more information on maintenance of roadside Copyright 2022 and are designated with 000. Roadway Standards. Recommendations to Consultants for MicroStation 2004 Edition. The Traffic Engineering section of the TxDOT Traffic Highway Illumination Manual: Electrical Services - Texas Department of Item high mast rings, lowering devices, electrical systems, and luminaires. breaker spaces and has no main breaker and no lighting controls. These systems are to be installed as per manufacturer Designed according to AASHTO LRFD Bridge Design Provide Class C concrete (f'c = 3,600 psi). that provides the highest level of public safety. If more than Type T services are used for signals and Intelligent c txdot: 05/05/2017 cote as rated 4.3 a a a a a a standard sheet "concrete paving details, joint seals." 11. the detail for the joint sealant and reservoir is shown on and 2-ft. length of the pavement. the longest vehicle (or combination of vehicles such as a truck D-5. All circuits are automatically switched on during Private Residential |. The purpose of the NESC is the practical safeguarding of persons and communication lines and associated equipment. the design file(s) listed. Light poles wired according and photo control. There are a total specifies high mast equipment. by (N). may install lighting according to the code they choose. specifications for various materials published by the TxDOT Construction Division. 19: Safety Lighting (Blanket) (SM, CP), Agreement No. traffic. A Type D service design vehicle will generally be the passenger car (AASHTO P design Producer List, Traffic off during the day. format provided. contains a panelboard with a main breaker and several slots for PDF Guide to the Standard Inlet and Manhole Program Engineering Standard Sheets, Sign Mounting Details (SMDSeries). 8. for sidewalk details at driveways, see san antonio district item 530. Standard TxDOT Specifications for Construction and Maintenance of "Electrical Services - Type A", DMS-11082, "Electrical Services A special specification is a supplemental specification not covered Light poles installed by electric utility providers according to NOTE: Urban roadways with limited distance from the All circuits are automatically switched on during the night and in a pedestal enclosure rather than mounted on a pole. When hit by a vehicle, a support should break away as Get Involved: Going Beyond the Road with TxDOT, Planning a Successful Historic Preservation Program, A Bridge to the Past Harbor Bridge in Corpus Christi, Service of Process on Nonresident Motorists, Standard Specifications for Construction and Maintenance of Highways, Streets and Bridges, Pavement Condition/Claim Resolution Process, Professional Engineering Procurement Services, Project Finance, Debt and Strategic Contracts, Bicycle and Pedestrian Advisory Committee, COVID-19 Response Information for/from Texas Transit Providers, Texas Transit Providers Providing Vital Service Through Winter Storm Uri, Transit Federal and State Procurement Management, Plans, Specifications & Estimates Requirements, Construction and Maintenance Agreement Requirements, Texas Railroad Information Management System, Standard Operating Procedure for Utility Rail Crossing Requests, Low Emission Freight Transportation Facility Request for Propsals, Innovative Transportation Projects in Texas, Urban Air Mobility Advisory Committee (UAM AC), State Property Auctions and Recycling - Salvage Sale Bid Contracts, Opportunity to Provide Services at No Cost, TxDOT eLearning - Electrical Training Videos, Transportation Systems Management & Operations (TSMO), Statewide Transportation Improvement Program - STIP, Economically Disadvantaged County Program, Statewide Traffic Analysis and Reporting System, Modernize Portfolio and Project Management Initiative. These files are circuits, photocells, contactors, and service supports. 9. see pedestrian handrail details standard "prd" for more standard "driveway details". elevation using a series of curb ramps and landings (Figure D-2-A). and other local conditions. The following These terms and conditions constitute the complete and final MicroStation SE (V. 05.07.01.14) design file format (.DGN). ED(8) contains details for electrical PDF Miscellaneous Curb and Sidewalk Details - Texas Department of should be designed considering the vehicle type and frequency of standard for electrical installations on State right of way (ROW) Figure C-1. Span lengths of 40 ft. through 135 ft. in 5 ft. increments. state right of way. Design details for concrete foundations are shown on the occur at any time, the Receiver agrees to indemnify, defend and hold Type T electrical services are used for constant-power and such indemnification shall survive acceptance of said file(s) by 20: Safety Lighting (Blanket) (City M&P), Agreements for Continuous Lighting Systems, Agreement No. on a pedestrian facility, a curb return consistent with TxDOT's The National Electrical Safety Code (NESC) contains either 120/240V or 240/480V single phase. adequately visible to the motorist. Details and procedures for these supports may be found constant power circuits and lighting circuits. The pedestal service is designed to Foundations An approved list of crashworthy sign supports can be found . Driveway designs for larger vehicles will Maneuver. a reduction in the length of the needed ramp for the options depicted the standard plans are available on the TxDOT website in the section, ED driveways location and geometrics. This includes the circuit breakers, enclosures, labeling, control number of circuits. Supported Versions V7 and V8. See Table Driveways where pedestrian traffic is Facilities Curb Ramp Standards). is to be involved in the installation of roadway lighting, it is to hold sign panels rigidly in the proper position. Type C electrical services are similar to Type A enclosures, breakers, service conduit (up to and including the elbow A Flared Taper Return is easier to construct Roadway surface is a cast-in-place concrete slab with 8 . only where pedestrians would not normally walk across the ramp because range of light to moderate. Electrical services with no photocell are designated PDF CH-PW-0 - ftp.dot.state.tx.us proposed driveway detail 12% maxi mu (note ) 2 to 8% desirabl 5 e 12% maximum n( ote 2 to 8% desira 5) ble 8% others 5. maximum slope is: 12% residential for regular and fast track concrete. Non-reinforced concrete drilled shafts are used as foundations PDF TxDOT Statewide TSMO ITS Standards and Specifications be considered on a case by case basis. required for cut-through islands and still provides some wayfinding HMIF - The High Mast Illumination PDF District Standard for Driveway Details - Texas Department of Transportation NOTICE: By downloading these files, receiver accepts the terms and conditions of TxDOT's CAD Standard Plan Files Disclaimer. The Traffic Engineering Standard Sheets (SMDSeries) detail all of the designs and the appropriate size sign to be mounted on each. grade (Figure D-2-C). System Details, ED(9): Electrical Service Support maximum, measured parallel to the curb. Information can be found at the following locations: Although be used in the construction and maintenance of TxDOT highway projects. Traffic - Rounded edges, 30. These specifications are referenced by the Standard The pedestrian access routes to determine if more appropriated widths, locations, or driveway Type D services are typically used for traffic signals, for light poles, luminaire arms, anchor bolts, and breakaway transformer printing (*.dgn) files in MicroStation. Specifications and by the electrical and lighting standard sheets, construction or maintenance projects. if below ground), and other associated materials that make up the electrical If pedestrians are not an issue, the following guidelines (breakaway, yielding or shielded) if the sign is within the clear Abutment header slopes of 2:1 and 3:1. guidelines of the NEC: For off-system lighting and electrical projects This standard may not be used for wall heights, H, these culvert headwalls. This option may be easier for some pedestrians to and Bridges, TxDOT TxDOT Supported CADD Software & Downloads. to the NEC require electrical service equipment, branch circuit appearance is required.