SR 60/Potrero Boulevard Interchange Project- Phase II

Improving Regional Mobility and Safety in Beaumont 

The SR60/Potrero Boulevard Interchange Project Phase II is a major transportation improvement led by Riverside County Transportation Commission (RCTC) in partnership with the City of Beaumont and Caltrans. The project will construct Phase II improvements at the existing interchange of State Route 60 and Potrero Boulevard to improve traffic flow, enhance safety, and support future regional growth.

Why this Project Matters

This project addresses existing and future transportation needs in Beaumont and the surrounding San Gorgonio Pass Area by: 

  • Reducing traffic congestion on SR -60 and local roadways
  • Improving safety for drivers, commuters, freight traffic, and emergency response
  • Supporting planned residential, commercial, and employment growth
  • Reducing vehicle idling and improving overall air quality 

Project Highlights

The SR-60/Potrero Boulevard Interchange Project Phase II includes:

  • Construction of a new six-ramp partial cloverleaf interchange at SR-60 and Potrero Boulevard 
  • Widening Potrero Boulevard to six lanes across SR-60
  • Realignment of Western Knolls Avenue to improve local connectivity  
  • New on-ramps and off-ramps to enhance access to SR-60

PotreroBlvd IC_Landscape_concept_012819

Funding and Partnerships

The project is funded through a combination of local, regional, and state transportation sources, including: 

  • City of Beaumont Capital Improvement Program (CIP) funds
  • Riverside County Transportation Commission funding
  • State transportation funds, including the SB 1 Trade Corridor Enhancement Program 
  • Transportation Uniform Mitigation Fee (TUMP) revenues 

Key project partners include the City of Beaumont, RCTC, and Caltrans. 

Total Project Cost: $79.3M 

Construction Cost: $58m

Stay Informed

The City will continue to share updates as the project progresses, including construction schedules, traffic impacts, and public engagement opportunities. 

Learn more about the SR-60/Potrero Boulevard Interchange Project on the RCTC website: https://www.rctc.org/projects/potrero-interchange/.