Caltrain powered up its new electric fleet of trains, carrying riders for the first time. MORE: How $3.4B in federal aid will help in effort to connect Caltrain and high-speed rail to SF.

On Tuesday, Caltrain announced it would be suspending service from Millbrae to San Francisco on the weekends of August 12-13, 19-20 and 26-27, marking the 17th, 18th and 19th weekend of the year ...