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Illinois Department of Transportation

Local Roads and Streets Manual

The BLRS Manual is in the process of being updated per Circular Letter 2014-17. We welcome your comments on needed updates. Please click here to leave your comment.

Download the entire manual as a PDF or download all the individual PDFs by zip file.

Part I

Part II – Policies & Procedures For Motor Fuel Tax And State-Funded Projects

Part III – Policies and Procedures for Federal-Aid Projects

  • Chapter 17: Planning And Programming Updated 12/2018
  • Chapter 18: General Environmental Procedures Updated 6/2018
  • Chapter 19: Categorical Exclusions Updated 7/2016
  • Chapter 20: Special Environmental Studies Updated 7/2013
  • Chapter 21: Requirements For Public Involvement Programs Updated 6/2018
  • Chapter 22: Project Development Updated 7/2016
  • Chapter 23: Plan Development Updated 4/2009
  • Chapter 24: Letting and Contract Award Updated 10/2008
  • Chapter 25: Construction And Maintenance Updated 1/2012
  • Chapter 26: Reserved 

Part IV – Project Design

  • Chapter 27: Basic Design Controls Updated 8/2016
  • Chapter 28: Sight Design Updated 8/2016
  • Chapter 29: Horizontal Alignment Updated 8/2016
  • Chapter 30: Vertical Alignment Updated 8/2016
  • Chapter 31: Cross Section Elements Updated 8/2016
  • Chapter 32: Geometric Design Tables (New Construction Or Reconstruction) Updated 8/2016
  • Chapter 33: Geometric Design Of Existing Highways Updated 8/2016
  • Chapter 34: Intersections Updated 8/2007
  • Chapter 35: Roadside Safety Updated 2/2008
  • Chapter 36: Bridge/Structure Design Updated 8/2009
  • Chapter 37: Reserved Updated 12/2011
  • Chapter 38: Drainage Design Updated 4/2007
  • Chapter 39: Traffic Control Devices Updated 10/2012
  • Chapter 40: Railroad Grade Crossings Updated 12/2006
  • Chapter 41: Special Design Elements Updated 10/2013
  • Chapter 42: Bicycle Facilities Updated 10/2013
  • Chapter 43: Reserved Updated 12/2011
  • Chapter 44: Pavement Design Updated 6/2018
  • Chapter 45: Local Agency Pavement Preservation Updated 12/2011
  • Chapter 46: Pavement Rehabilitation Updated 4/2012

 

Part V – Appendix

  • Index: Subject Index  Updated 12/2018
  • BLRS PMs: BLRS Procedure Memorandums Updated 12/2018

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