Connecting Detroit and Ann Arbor

The service will begin on October 18th and reservations can be made beginning September 28th. D2A2 is a pilot express bus service connecting Detroit and Ann Arbor, MI. The new bus service is an idea created by the Regional Transit Authority of Southeast Michigan (RTA), in partnership with the Ann Arbor Area Transportation Authority (TheRide) and operated by Michigan Flyer. Click here to learn more.

D2A2 Return To Operation
D2A2 Set to Return October 18th

The Regional Transit Authority of Southeast Michigan
(RTA) has announced their Detroit to Ann Arbor Express Bus Service (D2A2), in partnership with the Ann Arbor Area Transportation Authority (TheRide), will return on October 18, 2021. The service will provide hourly trips between the two communities for a little over 16 hours a day Monday to Friday (5:45 a.m.-11:00 p.m.), and limited service on Saturday and Sunday.


TheRide, AAATA
(734) 973-6500

DDOT Detroit Transportation Corp.
(313) 224-2160

M-1 Rail


D2A2 Grand Circus Park
1508 Park Avenue, Detroit

Stop is located on the southbound Park Avenue in Grand Circus Park between W. Adams Ave. and Bagley Street.

Learn more.

Ann Arbor
D2A2 Blake Transit Center
328 S. 5th Avenue, Ann Arbor

Stop is located at the corner of 5th Avenue and William Street- across from the Ann Arbor Public Library.

Learn more.

Information found on this website can be provided in an alternative format upon request. Please contact the Regional Transit Authority at 313-402-1020 to speak to a representative or email The RTA will do its best to provide the requested alternative format within a reasonable time

Title VI Public Notice

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