Caltrain Grade Separation

At a glance

  • What: Grade separation design for Caltrain crossings at Churchill Avenue, Meadow Drive, and Charleston Road in Palo Alto.
  • Where it stands: City Council directed advancement of 15% design concepts to 35% design and environmental documentation on September 28, 2026 (vote 6-0-1, Reckdahl recused).
  • Next: 35% design phase due end of 2026, with environmental review (CEQA/NEPA) proceeding. Council to evaluate traffic impacts of Charleston-only option.

Project options

Three crossing alternatives being advanced to 35% design:

Crossing Type Estimated Cost Timeline
Churchill Avenue + Seale Ave bike/ped Partial underpass + bike/ped underpass $420M-$450M 3-4 years
Meadow Drive + Charleston Road concurrent Hybrid (raised tracks) + underpass $1B-$1.1B 5 years
Meadow Drive + Charleston Road sequential Hybrid + underpass $1.2B-$1.3B 9 years
Charleston Road alone Underpass $480M-$530M 4 years

Sources

Log

  • 2026-09-28 - City Council Special Meeting - Council voted 6-0 (Reckdahl recused) to advance four options to 35% design and environmental review, adding an evaluation of traffic impacts of building Charleston only; staff estimates ranged from about $420 million to $1.3 billion depending on crossings and sequencing.

2026-10-27 - Parks and Recreation Commission Regular Meeting

The Council liaison reported Council advanced the Charleston and East Meadow options from 15 to 35 percent design; the city may only be able to afford one.