That same year , SEMTA acquired a commuter train service between downtown Detroit and Pontiac from the Grand Trunk Western Railroad .
Because of this , by 1974 , the DSR had been reorganized as a city department of Detroit , leaving SEMTA only coordination over the suburban services .
That same year , SEMTA acquired a commuter train service between Detroit Detroit and Pontiac from the Grand Trunk Western Railroad .
Because of this , by 1974 , the DSR had been reorganized as a city department of Detroit , leaving SEMTA only coordination over the suburban services .