25th Avenue Grade Separation Project

To improve safety for all modes of travel, Caltrain in cooperation with the City of San Mateo separated the train tracks from the road at E. 25th Avenue. The project also completed east-west street connections at 28th and 31st Avenues and built a new elevated Hillsdale Station with updated amenities located at E. 28th Avenue. 

  • Design: Completed December 2016
  • Right-of-Way Acquisition: Fall 2016 to Spring 2017
  • Bid & Award: Winter 2016 to Summer 2017
  • Construction: Fall 2017 to Spring 2022

Project Cost $205.9 million

  • Measure A $97.8 million
  • City of San Mateo $14.1 million
  • State Section 190 $10 million
  • State HSR Prop 1A  $84 million
Project photos