SMART runs local buses in Detroit's suburbs and FAST express routes which go to downtown Detroit.
The $2.00 fare is valid for 4 hours with unlimited transfers.
The $5.00 fare is valid for 24 hours with unlimited transfers.
Transfer tickets are can be used on DDOT, SMART, and QLine.
You can find SMART's website at https://smartbus.org.
SMART's customer service number is (866) 962-5515.