Service between Ashby and El Cerrito in the Warm Springs, Richmond and Millbrae directions were suspended Wednesday morning.
Police briefly detained a man on the platform and three trains did not stop at the station during the investigation.
USS Cal Builders is disputing the charges, saying BART made numerous changes to the plans which led to the delay.
BART is asking riders to get onboard with Clipper cards — and removing paper ticket sales from four of its stations to spur the transition. The transit agency says it will phase out all paper ticket sales in 2020.
Station agents and customers say John Allen is personable, witty and kind. Cards and letters for him can be sent to an address posted on his newspaper stand.
It's one year late in opening and there are still a few missing elements, but finally construction crews have left and the new plaza has been unveiled. The relief was palpable at the grand opening celebration.
The new BART Plaza will now open even later than expected.
The project is almost a year behind schedule. The heavy rains in 2016-17 caused about 50 rain days. A dispute between the general contractor and some subs has also slowed progress.
The BART Rotunda that stood sentinel in Berkeley for more than 40 years is being torn down to make way for a new entrance to the station.
A 32-year-old woman was arrested in connection with a domestic dispute at the downtown Berkeley BART station Monday.
Patrons using the Downtown Berkeley BART station will have to use another entrance for six to seven months.
Over the next six months, there will be changes to how patrons access BART as the refurbishment of the BART Plaza continues.