Road Division Standard Drawings and Construction Information

Road Construction Standards
For details on road standards in Butte-Silver Bow, refer to the Road Construction Standards, view road standards using the links below, or contact the Roads & Bridges Division for more information.

  1. Butte-Silver Bow Municipal Codes & Construction Requirements for In-Street Excavation
  2. Road Division Standard Drawings R-A1 (Residential Alleyways)
  3. Road Division Standard Drawings R-A2 (Business Alleyways)
  4. Road Division Standard Drawings R-CGS1 (Curbs)
  5. Road Division Standard Drawings R-CGS2 (Concrete Valley Gutter)
  6. Road Division Standard Drawings R-CGS3 (Type "A" Curb Sidewalk)
  7. Road Division Standard Drawings R-CGS4 (Curb & Gutter Sidewalk)
  8. Road Division Standard Drawings R-CR1 (New Construction Curb Ramps)
  9. Road Division Standard Drawings R-CR2 (Curb Ramp Alterations)
  10. Road Division Standard Drawings R-CR3 (Curb Ramp Detectable Warning Devices)
  11. Road Division Standard Drawings R-CRT1 (Perpendicular Curb Ramp)
  12. Road Division Standard Drawings R-CRT2 (Parallel Curb Ramp)
  13. Road Division Standard Drawings R-CRT3(1) (Diagonal Curb Ramp)
  14. Road Division Standard Drawings R-CRT3(2) (Diagonal Curb Ramp)
  15. Road Division Standard Drawings R-O1 (Driveways)
  16. Road Division Standard Drawings R-O2 (Painted Curb Criteria)
  17. Road Division Standard Drawings R-O3 (Typical Signpost Installations, Revised 2012)
  18. Road Division Standard Drawings R-RS1 (Rural/Suburban Arterial)
  19. Road Division Standard Drawings R-RS2 (Rural/Suburban Collector)
  20. Road Division Standard Drawings R-RS3 (Rural/Suburban Local I)
  21. Road Division Standard Drawings R-RS4 (Rural/Suburban Local II - Serving Over 2 Lots)
  22. Road Division Standard Drawings R-RSG1 (Rural/Suburban Local II - Serving Over 2 Lots [Gravel])
  23. Road Division Standard Drawings R-TD1 (Typical Pavement Section Design)
  24. Road Division Standard Drawings R-TD2 (Typical 2" Overlay)
  25. Road Division Standard Drawings R-TD3 (Asphaltic Surface Patch)
  26. Road Division Standard Drawings R-U1 (Urban Minor Arterial 2 Lane Plus Parking)
  27. Road Division Standard Drawings R-U2 (Urban Minor Arterial 4 Lane No Parking)
  28. Road Division Standard Drawings R-U3 (Urban Minor Arterial 4 Plus Median)
  29. Road Division Standard Drawings R-U4 (Urban Collector 2 Lane Plus Parking)
  30. Road Division Standard Drawings R-U5 (Urban Collector 4 Lane No Parking)
  31. Road Division Standard Drawings R-U6 (Urban Local Residential)
  32. Road Division Standard Drawings R-U6A (Urban Local Residential New Construction, Revised 2012)
  33. Road Division Standard Drawings Table of Contents
  34. Road Division Standard Drawings U-RMS (Urban BSB Maintenance Areas of Responsibility, Revised 2012)