Former commuter rail line in Detroit, Michigan
SEMTA Commuter Rail, also known as the Silver Streak, was a commuter train operated by the Southeastern Michigan Transportation Authority (SEMTA) and the Grand Trunk Western Railroad between Detroit and Pontiac, Michigan. It began in 1974 when SEMTA assumed control of the Grand Trunk's existing commuter trains over the route. SEMTA discontinued operations in 1983. Amtrak began offering intercity service between Detroit and Pontiac in 1994 as part of its Michigan Services.