
Caltrain's signaling system is causing delays throughout the Bay Area Friday morning.
The problem started around 7:40 a.m., said Caltrain Spokesperson Christine Dunn.
All trains are delayed by about 30 minutes, she said.
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Transportation crews are at work, fixing the problem. Dunn said at about 9:50 that she is not sure when service will return to normal.
Stuck on a train? Here's fun stuff to pass the time:
Find out what's happening in Menlo Park-Athertonfor free with the latest updates from Patch.
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