NEW : BART rejects union 's latest offer , urges return to reasonable terms , spokesman says . NEW : BART is open to a mediator to resolve everything , not just a few issues . The strike is the second in three strikes affecting Bay Area Rapid Transit . The roughly 400,000 people who supported BART must now seek other options .
NEW : BART rejects union 's latest offer , urges return to negotiating table , spokesman says . NEW : BART is open to a mediator to address everything , not just a few issues . The strike is the second in three months affecting Bay Area Rapid Transit . The roughly 400,000 people who use BART must now seek other options .