D.C. proposes dedicated sales tax for WMATA
Buttrey to serve as board's interim chairman after Nober's departure
LA MTA closer to constructing Exposition light-rail line
MARTA's Ford to assume San Francisco agency's top post, Carroll to take over as interim GM
ASLRRA seeks nominees for safety person of the year, Susan Murray memorial scholarships
Manzo joins Montreal, Maine & Atlantic as finance director