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HomeHighways & StreetsFreewaysI-405I-405 Improvement Project OverviewResources

Orange County Freeway Programs

  • i-5
  • sr-22
  • sr-55
  • sr-57
  • sr-91
  • i-405
  • i-605
  • freeways
  • I-405 Overview
  • I-405 Improvement Project Overview
    • Committees
    • Resources
    • Project History
  • West Country Connectors
  • I-405 (SR-55 to I-5)
  • Completed Projects

Improvement Resource Library

 

Presentation: San Diego Freeway (I-405) Improvement Project
Study Area Map
I-405 Notice of Preparation
I-405 Notice of Intent
I-405 Scoping Meeting Notice
Newsletter: I-405 Improvement Project
Report: I-405 Major Investment Study (MIS) Final Report
Report: Project Study Report/Project Development Support
Fact Sheet: San Diego Freeway (I-405) Improvement Project
 

Staff Report: Consideration of the San Diego Freeway (Interstate 405) Improvement Project for Future High-Occupancy Toll Lane and Design-Build Authority
Staff Report: Update on Project Alternatives for the San Diego Freeway (Interstate 405) Improvement Project
Presentation: Update on Project Alternatives for the San Diego Freeway (Interstate 405) Improvement Project 
Report on Phase II Feasibility Study - Traffic and Revenue Analysis for the San Diego Freeway (Interstate 405) Improvement Project Between Costa Mesa Freeway (State Route 55) and San Gabriel River Freeway (Interstate 605)
Consultant Selection for a Strategic Financial and Delivery Advisor for the Interstate 405 Improvement Project  

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550 S. Main St.
P.O. Box 14184
Orange, CA 92863-1584
714.560.OCTA (6282)

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