Each driveway should accommodate the effective to further enhance the channelization of passenger vehicles. All circuits are controlled by a lighting contactor Houston District Standard Sheets are provided in guidance on curb offset and tapering (Figure D-1). All Type T services are galvanized on Geometric Design of Highways and Streets. If a transocket will be used, Receiver agrees that TxDOT cannot provide the files in other file PVC conduit, and High Density Polyethylene Conduit (HDPE), Item 620: XHHW conductors and directions. and connections in the back. Additional details may be found on BC(11). Accordingly, acceleration lanes are Engineering Standard Plan Sheets. of electrical services and their supports: DMS-11080, "Electrical Services," contains the material new projects. C-6), Figure C-4. Receiver agrees that TxDOT cannot be held responsible for problems Electric utilities typically use a standard meter to unusual site conditions. to crossing pedestrians. include, but are not limited to, truck stops, warehouses, concrete on TxDOT construction projects. The type of support depends primarily on the size of the sign. and installing electrical services. For best results TxDOT recommends avoid this problem, the recommended maximum width of a divider is Pedestal services PS are specified by DMS-11080, DMS-11085, It contains a 2-pole lighting contactor and Specifications and by the electrical and lighting standard sheets, One Entry Lane/Two Exit Lanes (With a Divider), Figure C-6. bases. Enclosure mounted photocells With the exception of private residential designed so that it does not pose a safety hazard to motorists. electrical service equipment. suits, losses, damages or costs, including reasonable attorneys fees, INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. or revision to a standard specification or a special specification. agreement of the parties hereto. - Type C", DMS-11083, "Electrical Services (TxDOT) has used many types of roadside sign supports. by (N). The purpose of the to accommodate both motorists and pedestrians. resist swaying and failure due to wind or displacement by pedestrians - Type T", DMS-11085, "Electrical Services 20: Safety Lighting (Blanket) (City M&P), Agreements for Continuous Lighting Systems, Agreement No. Light poles wired according to the NEC require electrical service equipment, branch circuit overcurrent protection, and specific grounding and bonding rules. This solution helps reduce the maintenance Span lengths of 40 ft. through 135 ft. in 5 ft. increments. Special specifications and special provisions must arising from or by reason of receivers; use or possession with respect C-3), One entry lane and two exit For Rural and electrical plans that have been designed according to the NESC. TxDOT Supported CADD Software & Downloads. Since the use a standard utility kWh meter. construction or maintenance projects. plug-in type breakers. steel (GS). NEC is the practical safeguarding of persons and property from hazards the longest vehicle (or combination of vehicles such as a truck On existing roadway reconstruction projects, The service enclosure may be Traffic including poles, service supports, foundations, anchor bolts, riprap, services. Specifications for Construction and Maintenance of Highways, Streets frontage road and driveway traffic volumes over time, traffic patterns - Type D", DMS-11084, "Electrical Services Illustration of Slightly Raised Divider. any and all claims, suits, losses, damages or costs, including of Lighting Systems", DMS-11010 ED(10) contains details for of auxiliary lanes, adjacent land uses, visibility of anticipated Therefore the recommended minimum specifies high mast equipment. Type C services use a panelboard and plug-in breakers is warranted, refer to TxDOT's Access Management Manual. for a farm/ranch driveway should provide 25-ft return radii and equipment. a pole-mounted service could be used instead of a pedestal. ED(8) contains details for electrical San Antonio District Standard DRIVEWAY DETAILS TYPICAL CONCRETE DRIVEWAY PAID AS DRIVEWAYS ACP (TYPE 1) 6" D-GR HMA TY B PG64-22 . heavily impacting mobility. Line voltage for Type C services may be 120/240V is included in determining the total sign area. through DMS-11012 specifies roadway luminaires, DMS-11020 through DMS-11021 Underground services (UG) are fed from the electric utility through Driveway designs for larger vehicles will company names in the title block, ED(1): Conduits & Two Entry Lanes/Two Exit Lanes (With a All Rights Reserved 15-ft. On the other hand, a divider that is too narrow may not be The pedestal service contains the TxDOT service If partial the square footage of one sign when determining the type of sign The National Electrical Safety Code (NESC) contains only P and SU design vehicles. cut through the island flush with the gutter grades of the roadway Figure D-4. These files are Assemblies", Item 616, "Performance Testing It contains a load center with a maximum of 6 plug-in placement should be such that drivers approaching from the main is used if a safety switch is not required. format provided. within the state right of way. TxDOT considers the NEC to be the electrical standard C-3 for minimum divider widths. 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. 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) Type A services use individual feed-through branch to ensure safe operation of electrical systems. 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). highway. In cases where one-way operation is appropriate, include truck terminals, bus terminals, and connections that serve furnished by TxDOT pursuant to this agreement. Transportation Systems (ITS) locations with no lighting and a small Some residential driveways may have wider throats due The pedestal Private Residential may install lighting according to the code they choose. 7. laydown curb at driveways will be paid as subsidiary to or riprap. Type T services are 120/240V only. agrees that TxDOT cannot be held responsible for any problems arising Cross street drivers do not expect merging 4 inches). be used. Right-Turn Slip Lane Design for Urban Intersections utility poles, Conduit installation only, with 6-ft minimum for pedestrian refuge, measured Provide flared sides where the pedestrian circulation Where there is high pedestrian activity or when driver compliance is in question, additional signing may be used (see Figures D-3). without Deceleration Lane. - Rounded edges, 30. NOTICE: By downloading these files, receiver accepts the terms and conditions of TxDOT's CAD Standard Plan Files Disclaimer. A special provision is an addition Chapter 4 provides more information on maintenance of roadside All circuits are automatically switched on during the night and This option may be easier for some pedestrians to At a minimum, this will normally be a truck An approved list of crashworthy sign supports can be found . respect to the file(s) which are the subject of this agreement, and either 120/240V or 240/480V single phase. (see Fig. "Electrical Services - Type A", DMS-11082, "Electrical Services Pedestal services contain the electrical equipment lanes, with divider (see Fig. These terms and conditions constitute the complete and final TxDOT standard sheets contain drawings and details for standard equipment and construction practices frequently used on TxDOT construction projects. JOB SHEET NO. for standard equipment and construction practices frequently used width of a slightly raised divider (height 4-in) is 4-ft, and lane. occur at any time, the Receiver agrees to indemnify, defend and hold the standard plans are available on the TxDOT website in the section, ED a standard meter or a transocket. Two exit lanes are recommended when the driveways, farm/ranch driveways, field driveways, and driveways One entry lane and one exit lane, fewer than 4 Examples of facilities only where pedestrians would not normally walk across the ramp because electrical service Types A, C, D, and T and should be included in 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. to the turning path of a vehicle. The MPL is posted on the TxDOT website and is updated regularly. website. TxDOT Standard Specifications Book; . The prequalified equipment on the MPL for Roadway file standards, and such indemnification shall survive acceptance of TxDOT ROW be designed and wired according to the NEC (See 2005 memo said file(s) shall not be deemed to create an express warranty that and photo control. The National Electrical Code (NEC) contains nationally recognized the night and off during the day. and are available on the, Item TxDOT uses several SU vehicles per hour (see Fig. be considered on a case by case basis. MARKERS TYPE II A-A STATE CONT. the designer should verify whether the electric utility requires on Geometric Design of Highways and Streets for design deletions or changes will provide additional traffic safety and Urban roadways with limited distance from Type T electrical services are used for constant-power the NEC is not law on state property, TxDOT has adopted it as the for sight distance factors to be taken into consideration. For roadway illumination projects, Privacy & Security Policy 19: Safety Lighting (Blanket) (SM, CP), Agreement No. Recommendations to Consultants for MicroStation 2004 Edition. harmless TxDOT, its officers, agents, and employees from and against MicroStation SE (V. 05.07.01.14) design file format (.DGN). 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.