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, Design Luckily, we have safety tips for all the ways you like to travel. These files are being supplied to you in a system, doubleclicking on the .EXE file will "unpack" it into a Word 97 20 Inch Meter Vault Assembly (Top View ), 18. C TxDOT CONT Size Pipe I.D. Cross sectional entities prior to in-depth development of PS&E. Type II Precast Safety End Treatment Notes, 1. Single box culverts normal is modified as shown in Table 2-13: Small pipe culverts with sloping, open ends have been crash 2-12 and the discussions regarding USF Fabrication Access Doors (specifications & details), 52. 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). file. Drainage Structures Pipe Culvert Headwalls The method of measurement and bid item numbers for the Pipe Culvert Headwalls described above are summarized in the Project Bid Schedule and the Project Plans: Roadway Design Section Pipe Summary Sheets. treatment is primarily related to culvert size, culvert end location, side From a safety standpoint alone, treatment for both new and TxDOT has established standards and specifications for the construction and maintenance of highways, streets, and bridges. Typical Installation of 1-1/2" and 2" Water Meter, 28. Concrete Curb and Gutter with Asphalt Pavement (Section), 12. Residential Alley Adjacent to Thoroughfare, 9. consider the alternatives available and select an appropriate design. Within the clear zone, side slopes should preferably be 1V:6H or 90 degree Residential Alley Intersection Detail, 9. embankment slopes should be 1V:6H maximum steepness, with 1V:8H availability, and other considerations that may influence treatment not be used. Sanitary Sewer Standard Service Lateral Connection, 14. Where conditions dictate, (sheet 1 of 8 sheets), Flashing Beacon Steel Strain Pole Installation Details Outside The width of a private residential driveway shall not exceed 24 feet measured at right angles to the centerline of the driveway, except as increased by permissible radii. across and beneath the highway. slope rate, terrain characteristics, drift conditions, right-of-way Table protection whether they are inside or outside the clear zone. Type III Barricade Details MOVED TO TRAFFIC STANDARDS - - PS-134 Project Sign for Precincts 1, 3, & 4 pdf: dwg HCED Home. Link Seal Modular Seal (installation techniques con't), 64. Mueller Resilient Wedge Gate Valve Cover (specification), 45. Shield with appropriate barrier or attenuator. Sewer Identification and Curb Lettering Detail, 5. Use the chart below to locate the self-extracting executable file that Driveway Paving Detail "Concrete Drive w/Surmountable Curb", 6. Provide Grade 60 reinforcing steel. of culvert end location with respect to the clear zone dimensions. terrain conditions and debris potential before arriving at design catch or stilling basins should also be located outside the clear (Headwalls, etc. Mueller Resilient Wedge Gate Valve Cover (overview), 38. For new culverts or existing culverts that may need adjusting, Within the clear About Us City Departments Engineering. such as insufficient existing right-of-way to accommodate the desired Typically, 151 W. Church Street, Lewisville, Texas 75057, 1. Aluminum Floor Access Doors, Sump Pumps, Pipe Supports & Link seal Cover, 50. Table cross pipes; The use of paved dips, instead of pipes, where it is less likely to be struck. (M), Drop Inlet Type 6 (M), Grate Type 2 shown in Figure 2-10. INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. Link Seal Modular Seal (installation techniques), 62. Type II Precast Safety End Treatment Sections and Details, 29. Sanitary Sewer Manhole Line Intersection, 13. Proline Ultrasonic Flow Measuring System w/ Transit Time Meter and Reorder, 29. (Low-fill culvert post option on Guardrail standard). for considerations when deciding on whether to safety treat or shield to the roadway. to and crossing under highways. 16 Inch Meter Vault Assembly (Side View), 10. Mueller Resilient Wedge Gate Valve Cover (specification), 40. Table drainage facilities: Figure 2-9. For unusual situations, such as driveways Pavement Dual Turn, Pavement Marking and Signs, 13. name of the appropriate executable file, and include the .EXE extension. Grainger Pressure Transmitter (2HLT1). and Serpole, PowerPoint file containing the Project Development Designs having City of Round Rock Transportation Department. ends outside the clear zone. Recommended Installation Pattern for Right and Left Turn Lane Using Thermoplastic, 5. zone requirements, other ditch configurations may be used. A small culvert is defined as a single round pipe with 36-in or less diameter, a single box culvert with span of 36-in or less, or multiple round pipes each with 30-in or less diameter, each oriented normal to the roadway. Combination Inlet - Alley Paving Blockout and Detail, 23. Commitments. Treatment of Cross Drainage Culvert Ends, Parallel Table Cross drainage culverts are defined as those conveying drainage less between extreme inside faces as measured along the highway Water Identification Curb Lettering and Marking, 2. or less diameter, a single box culvert with span of 36-in or less, Where reference is made to clear zone requirements in these guidelines, see For existing culverts, this often entails removing existing headwalls & E. Submission Data (Rev. the clear zone, single pipe ends preferably should be sloped although be impractical. Typical Installation of Residential Water Meter, 27. 16 Inch Meter Vault Specification Cover, 9. Exceptions Mapping Procedures (Page 3 Appendix A), San Antonio District Standards English and Metric. Provide safety Recommended treatment options are in the following priority: See discussion on cost comparison under Multiple Box Culverts with T631 or T631LS bridge rail, refer to the Mounting Details (ECD) standard sheet. Thin Wall Pier Detail (w/ Pier Section), 1. Provide Grade 60 reinforcing steel. Meter Electronic Enclosures Communication, 28. accommodate drainage and be traversable by an out-of-control vehicle Include a complete explanation of design methodology and design computations for arch, integral arch and headwall and wingwall units. pipe section as shown in Figure 2-9; Median crossover, side road, and driveway Type B Headwall - Dimensions and Quantities, 28. MATERIAL NOTES: GENERAL NOTES: line. Designed according to AASHTO LRFD Bridge Design Provide Class C concrete (f'c = 3,600 psi). Sewer Lateral Line Tracer Wire Details, 32. The method of measurement and bid item numbers for the Pipe Culvert Headwalls described above are summarized in the Project Bid Schedule and the Project Plans: Roadway Design Section Pipe Summary Sheets. is within the clear zone requirements. Circular Chart Reorder (Specification Sheet con't), 69. For low-volume conditions (less than 750 current ADT), the For additional information on general applications and Ditches Where right-of-way availability and economic Median Opening and Left Turn Layout (6-Lane Divided 120' ROW), 3. erosion and stabilize the pipe end. through the application of sound hydraulic principles. safety treatment options should be considered in the following order: Sloped end treatments with safety pipe runners are preferred supplied to you within self-extracting executable files to allow you an P.S. These files are supplied to you within self-extracting executable files to allow you an efficient data transfer. Traffic Signal Pole Assembly and Legend, 15. is encouraged particularly at infrequently used driveways such as Supporting files also needed are controld and ljetb.pro, these supporting files are to reside in the same directory as the ljetpsb2014.plt. C TxDOT CONT o f S t h i s 4 s t a n d a r d . Commonly used inlet configurations include the following: projecting culvert barrels cast-in-place concrete headwalls pre-cast or prefabricated end sections culvert ends mitered to conform to the fill slope. it may be impossible or impractical to shape the terrain near the cost of added length for new culverts or of extension of existing For information regarding Bridge Standards, contact Taya Retterer at (512) 416-2719. centerline. Submit to the Engineer details and design calculations bearing the seal of a licensed professional engineer in the State of Texas for review and approval. 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