Altamont Commuter Express (ACE)



The Altamont Commuter Express (ACE) is a commuter rail system that serves communities between Stockton, Fremont, and San Jose. The service runs on weekdays only, with several trains running between Stockton and San Jose during the morning rush hour and midday, and several trains running between San Jose and Stockton during the midday and evening rush hour.

ACE Customer Service

Compliments or complaints about the Altamont Commuter Express (ACE) commuter rail service should initially go to their Customer Service at 1(800)411-7245.

Who’s Responsible For ACE Train Service?

Any additional followups should also go to Stacey Mortensen, ACE Executive Director, at the address below:

San Joaquin Regional Rail Commission
Altamont Commuter Express (ACE) Headquarters
949 East Channel Street
Stockton, CA 95202
phone: 1-800-411-RAIL (7245)
phone: (209) 944-6220

Also, please make sure to send a copy of your letter to the Silicon Valley Transit Users as well.

  1 comment for “Altamont Commuter Express (ACE)

  1. I’m trying to contact either Stacey Mortensen or Brian Schmidt at Altamont Commuter Express. After a hiatus of a couple of years I’ll be leading another Grand Tour of Bay Area Rail & Ferry Services (the 23d tour) for Friends of SMART and the Leadership Institute for Ecology and the Economy. This time the bigwigs will be on board–SMART board members and General Manager.

    Often in past tours we’ve missed the WHEELS connecting bus to BART at Pleasanton, delaying us for an hour. I’m wondering if we’d have a better chance of catching a bus to BART if we ride the ACE train one more stop to Livermore. If this message doesn’t get through to them, please convey my best regards to both Stacey and Brian.

    I am doing this by really remote control, from my computer in Beijing, China, where we’re living at this time. The tour will be either on December 19 or early in January, on either the 2d or 5th.

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