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Design Guidelines and Specifications

Updated on a regular basis, the below links provide traffic engineers a guide for the design of safe, efficient transportation design and specifications in the City of Boston.

Traffic Signal

  • Traffic Signal Operations Design Guidelines
  • Traffic Signal Design Submission Requirements
  • Traffic Signal Standard Plans and Specifications
  • Polymer Frame & Cover Assembly

CA/T Retiming Project

  • CAT Optimization Recommendations Report
  • Appendix A. Existing Turning Movement Diagrams
  • Appendix B. Signal Warrants
  • Appendix C. Existing Conditions Operations Schedules
  • Appendix D. Proposed Operations Schedules
  • Appendix E. CAT Improvements

CAD Standards

  • BTD CAD Standards Manual
  • BTD CAD Templates & Blocks (zip folder)

Sign Code Guide

  • BTD Sign Code Guide

Transportation

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