Base Line Road Interchange, Rancho Cucamonga/Fontana

Base Line Interchange Public Meeting NoticeThe City of Rancho Cucamonga, in partnership with Caltrans, the City of Fontana and the San Bernardino Associated Governments (SANBAG) will construct improvements to the Interstate 15 (I-15)/Base Line Road interchange. The project is located within the City of Rancho Cucamonga (west of the I-15) and the City of Fontana (east of the I-15) in San Bernardino County. Construction is slated to begin in Summer 2014 and continue through mid-2016.

The purpose of this project is to:

  • Alleviate congestion
  • Improve safety
  • Improve mobility throughout the project corridor

The project will include the following:

  • Widening Base Line Road from 4 to 6 lanes
  • Adding right and left turn lanes at East Avenue
  • Widening East Avenue from 2 to 4 lanes
  • Adding right and left turn lanes at Base Line Road
  • Realigning and widening the southbound and northbound diamond ramps from 1 to 2 lanes
  • Adding a southbound loop on-ramp
  • Adding I-15 acceleration and deceleration lanes

Project Info

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