TxDOT provides computer aided drawing (CAD) Standard Plan files. Good quality printed versions of the files may be used in plan sets without being signed and sealed by a licensed engineer.

CAD standard plan files

Files are maintained by the TxDOT division or district identified in the plan title block.

• Statewide: statewide files can be used for jobs across the state.
• District: district files are modified statewide files or are developed exclusively for use in the district.

Modifying standard files

If you need to modify a standard file for a specific job, you must do the following:

• Document and date in the revision block of the sheet.
• Append the standard plan name inside the title block with, (MOD).
• A licensed engineer must sign and seal each modified standard file.

Download CAD standard plan files

By downloading the files below, you accept the terms and conditions.

• Bridge standards
• Fabrication drawings for the Texas Triangular Slip Base, Wedge Anchor System, and Small Sign Components
• Maintenance standards
• Roadway standards
• Roadway vegetation for geographic information systems
• Traffic data collection
• Traffic standards