Phase 1 of Interstate 80 / State Route 65 Interchange Improvements: Now Under Construction!

We have reached a major milestone to reconfigure the Highway 65 interchange at Interstate 80! Construction, which began April 30, 2018, is expected to bring relief to motorists that are stuck in the back-up on Interstate 80.

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Click here to read the June 2018 I-80 / SR 65 Interchange Project Update.

This first phase will provide a third lane on northbound Highway 65 from Interstate 80 to Pleasant Grove Boulevard and improvements to the Galleria Boulevard/Stanford Ranch Road interchange.

Funding this project has been a challenge, but PCTPA and its partners garnered several funding sources to complete the
$50 million first phase. The I-80 Bottleneck project through Roseville was completed in 2011 under budget, thus, PCTPA is able to use nearly $10 million dollars from that project savings. Other local funding sources include traffic mitigation fees assessed on local developments. A full breakdown of funding sources can be found in the “What You Need to Know” section below.

The remaining $400 million cost will eventually add one lane to each of the four connectors between Highway 65 and Interstate 80. Future improvements also include maintaining the existing Interstate 80 access at Taylor Road and eliminating the weaving movements on Interstate 80 eastbound between Eureka Road and Highway 65. Unfortunately, PCTPA has maxed out the local funding sources and will need to find other local funding sources to move forward on future phases.

What You Need to Know | The Story Behind Interstate 80- Highway 65

Almost every motorist in the Placer region has been stuck in traffic on or near the Interstate 80 / State Route 65 interchange.  Regardless of which direction or what time, the traffic seems to come to a complete stop near the interchange.

One of the reasons for this traffic congestion is because the interchange was designed and built in the mid-1980s when the County’s population was 136,000 people.  Thirty years later the population has more than tripled, therefore, the interchange needs a major upgrade and reconfiguration to accommodate the nearly 210,000 vehicles that use the interchange every day.  Such a significant undertaking will require about $450 million.  Without a local funding sales tax measure, the Placer region struggles to be competitive for federal and state funding opportunities.

However, PCTPA and its partners including the California Department of Transportation (Caltrans), the South Placer Regional Transportation Authority, Federal  Highway Administration, Placer County, and the Cities of Lincoln, Rocklin, and Roseville have created a phased approach which will allow them to move forward on fixing the problem on an incremental basis.

Unfortunately, PCTPA has maxed out the local funding sources and will need to find other local funding sources to move forward on future phases.  Below is a breakdown of the funding sources for Phase 1.

Total Cost = $50 Million

  • Caltrans Safety and Maintenance Funding = $28.8 Million
  • PCTPA I-80 Bottleneck Savings = $9.9 million
  • PCTPA 2006 State Bond Freight Funding = $3.6 million
  • Highway 65 Interchange Development Impact Fees = $6.0 Million
  • South Placer Regional Transportation Authority Development Impact Fees = $1.7 million


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