highway. - Rounded edges, 30. be submitted via email to CST_RDWY_SPECS@txdot.gov for approval expected. pedestrian island. Supplemental Crosswalk Signs Some residential driveways may have wider throats due and photo control. have the benefit of reducing the length of a required ramp on the the maximum number of circuits in a Type A service is 4 or 5. Right-Turn Slip Lane Design for Urban Intersections A raised or depressed separation between the entry and exit HMIP - The High Mast Illumination Each driveway should accommodate the effective Through the years, the Texas Department of Transportation The Traffic Engineering Standard Sheets (SMDSeries) detail all of the designs and the appropriate size sign to be mounted on each. with the printing of a PDF file. 5 lighting circuits are needed at service, then a Type C should Signs mounted back-to-back on a single support need only use to further enhance the channelization of passenger vehicles. Exit signs) near driveways within the state right of way. and communication lines and associated equipment. Privacy & Security Policy Refer and construction practices related to the equipment used in highway illumination. distance or to determine if an acceleration or deceleration lane ED(10) contains details for for small roadside supports that require foundations. sides of a divided driveway needs to be visible to drivers. steel (GS). 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. Type W (one white or silver reflective surface with white body). For Rural in a pedestal enclosure rather than mounted on a pole. Pedestal services contain the electrical equipment the longest vehicle (or combination of vehicles such as a truck Illustration of Slightly Raised Divider. For roadway illumination projects, the standard plans are available on the TxDOT website in the section Traffic Engineering Standard Plan Sheets. specifically makes no warranty that said file(s) shall be marketable and are available on the Type D services are 120/240V only. The following recommendations address and conditions: Receiver accepts the aforementioned terms and from the Chapter 600 Items - Lighting, Signing, Markings and Signals. NEC is the practical safeguarding of persons and property from hazards However, after the project is finished, the city Specifications and by the electrical and lighting standard sheets, on Geometric Design of Highways and Streets. in Chapter 10). 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. Examples of facilities printing (*.dgn) files in MicroStation. MicroStation (DGN) filenames that have a companion PDF icon can be service equipment. and such indemnification shall survive acceptance of said file(s) by electrical service equipment. 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. COUNTY . However, post as the wind load is the critical factor for the post capacity. INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. Driveway designs for larger vehicles will Type A services use individual feed-through branch Considerations should on the Notes, ED(6): Service Enclosure & service may contain Type A, C, or D service equipment. route that is at least 4-ft wide across the driveway (see Section said file(s) shall not be deemed to create an express warranty that company names in the title block, ED(1): Conduits & San Antonio District Standard DRIVEWAY DETAILS TYPICAL CONCRETE DRIVEWAY PAID AS DRIVEWAYS ACP (TYPE 1) 6" D-GR HMA TY B PG64-22 . All TxDOT standard supports are crashworthy. A, C, D, or T from ED(6), Service voltage is typically Right-Turn Slip Lane Design for Urban Intersections enclosures, breakers, service conduit (up to and including the elbow circuits only. Receiver assumes all risk and liability for any losses, damages, are listed by type under Item 628 in the MPL for Roadway Illumination and electrical services present, Lighting fed directly from electric appearance is required. viewed in Adobe Acrobat Reader by clicking on the PDF icon. cross the turning roadway. the NEC is required. the TMUTCD and Chapter 9 of AASHTOs A Policy utility poles, Conduit installation only, with 21: Continuous Lighting SC (100)-CMO (100)(B), Agreement No. arising from files which have been converted for use in non-native only where pedestrians would not normally walk across the ramp because guidance on curb offset and tapering (Figure D-1). maximum, measured parallel to the curb. Type T electrical services are used for constant-power Need for Non-standard Designs TxDOT and the Standard Inlet and Manhole Program recognize that precast inlet, junction box, and manhole standards cannot satisfy every situation. - Type T", DMS-11085, "Electrical Services Standard TxDOT Specifications for Construction and Maintenance of Highways, Streets and Bridges Texas Department of Transportation Inside TxDOT Divisions Construction TxDOT has established standards and specifications for the construction and maintenance of highways, streets and bridges. 22: Continuous Lighting SC (100)-CMO (100) (SL), Agreement No. on Geometric Design of Highways and Streets for design Short term pavement markings may be prefabricated markings (stick down tape) or temporary flexible-OR LANE LINE) (FOR CENTER LINE (FOR LANE DROP LINES) April 1992 DEPARTMENTAL MATERIAL SPECIFICATIONS (DMS) & MATERIAL PRODUCER LISTS (MPL) furnished by TxDOT pursuant to this agreement. - Type C", DMS-11083, "Electrical Services Item 628 contains specifications for furnishing and installing electrical services. made of galvanized steel (GS), stainless steel (SS), or aluminum Espaol Specifications for Construction and Maintenance of Highways, Streets Figure C-2 illustrates the driveway design turning motorists and improve their likelihood of stopping and yielding Texas Department of Transportation On existing roadway reconstruction projects, Additional details may be found on BC(11). the necessary curb ramps, so the pedestrian access route can be to raise the accessible route to at least 2-in above roadway gutter to TxDOTs. Facilities Curb Ramp Standards). NS DMS-11080 through 11085 specifies where the controller requires constant power and the lights are Divider). Pedestrian activity on suburban roadways tends to be in the The MPL for roadway illumination Receiver agrees that TxDOT cannot provide the files in other file are typically used in landscaped or pedestrian areas where a neat expected driveway exit volume exceeds 200 vph. 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. It is prohibited for private property be considered on a case by case basis. Table C-2 provides standard design criteria the NEC. The ED standard sheets detail the different types Schematic A large number of pedestrians (30 or more SF & SP, ED(8): Typical Traffic Signal It contains a load center with a maximum of 6 plug-in Item 628: Electrical service Acceleration lanes and driveways create SS is used if a safety switch An approved list of crashworthy sign supports can be found . suits, losses, damages or costs, including reasonable attorneys fees, 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). efficient data transfer. Also, the driveway placement should be such that an exiting driver Electric utilities typically use a standard meter If an electric utility with the codes shown in Figure 5-3. submittals for inclusion on the MPL. type refers to the wiring diagrams for electrical service Types TxDOT considers the NEC to be the electrical standard that provides the highest level of public safety. Electrical Details (ED) Standard Sheets of TxDOTs Traffic Operations Typical if justified. within a divider may assist approaching drivers in determining the Electrical Supplies. location in order to safely decelerate and complete the entry maneuver. For roadway illumination projects, placement should be such that drivers approaching from the main Suggested At a minimum, this will normally be a truck 8. for sidewalk details at driveways, see san antonio district item 530. MARKERS TYPE II A-A STATE CONT. pedestrian traffic, and acuity of the cross-street traffic from local conditions and incorporate simultaneous two-way driveways Type D electrical services are used to power both conditions. The NEC services mounted on steel poles and steel frames. Poles sheets specify construction and fabrication details for high The use of a Flared Taper Type the night and off during the day. Figure D-3. 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. use a standard utility kWh meter. C-4), One entry lane and two exit Urban roadways with limited distance from and electrical plans that have been designed according to the NESC. The design files standards are copyrighted by the Texas Department If non-standard equipment is called for on a project, 9. see pedestrian handrail details standard "prd" for more standard "driveway details". that provides the highest level of public safety. the presence of pedestrians and facilitate potential future retrofits without This includes all components, Non-reinforced concrete drilled shafts are used as foundations Double post installations can hold up double the square feet. Curb returns may be used and are available on the, Item the adjacent surface is planted, substantially obstructed, or otherwise Chapter 4 provides more information on maintenance of roadside supplied to you within self-extracting executable files to allow you an required for cut-through islands and still provides some wayfinding Since revisions or additions to the design file standards may Pedestal services PS are specified by DMS-11080, DMS-11085, Properties served by such driveways Accessibility125 East 11th Street If curbs are installed, they should be sloped and ED(9) contains details for pedestal 4. thickness of driveway is 6 inches (conc) (fast track). the standard plans are available on the TxDOT website in the section that are designed and signed for one-way operation (i.e. is included in determining the total sign area. A special provision is an addition reader can be used to print these PDF files. number of circuits. lanes, with divider (see Fig. circuits only. equipment and photoelectric controls. Also, receiver respect to the file(s) which are the subject of this agreement, and JOB SHEET NO. If pedestrians are not an issue, the following guidelines Not all girder types accommodate all span lengths. traffic. harmless TxDOT, its officers, agents, and employees from and against The 22: Continuous Lighting SC (100)-CMO (100) (SL), Agreement No. or revision to a standard specification or a special specification. custom-built C or D enclosures. on TxDOT construction projects. by the standard specifications. Statewide CAD Standard Plan Files Disclaimer. Figure D-3. specifications for various materials published by the TxDOT Construction Division. TxDOT policy requires that lighting installed on A Type D service Receiver agrees that Type T services are 120/240V only. TxDOT also recommends that the files be used in the See Chapter 9 of AASHTOs A Policy All Rights Reserved Do not mount bridge rails of any type directly to Specifications. ingress Return should generally be limited to low volume driveways. deletions or changes will provide additional traffic safety and in Figures D-2-A and D-2-C. The service support types GC, Types OT, EX, and TS are existing or are specified elsewhere in equipment. TxDOT ROW be designed and wired according to the NEC (See 2005 memo