Local Nos. 3 and 3X MTA buses were diverted beginning at 9 p.m. Monday.
Beginning at 3 p.m. Wednesday, the Nos. 1, 7, 8, 10, 11, 14, 17, 19, 23, 27, 30, 35, 36, 46, 61, 64, 120 and 160 buses will be diverted.
Commuter bus routes affected are Nos. 310, 320, 410, 411 and 420.
The light rail will suspend service between the Baltimore Street and Hamburg Street stops from 3 a.m. Thursday until 5 a.m. Tuesday. Free shuttle buses will operate between the Baltimore Street and Hamburg Street stops.
A revised schedule will be in place for the Charm City Circulator's Orange, Purple and Banner routes beginning at 6:30 a.m. Thursday. A normal schedule will return at 9 p.m. Monday.
The Metro service will not be affected by the race.
Walking and biking paths will also be affected, beginning at 9 p.m. Wednesday. Pedestrians and cyclists can use the Inner Harbor Promenade to bypass the track area to the east and the west sidewalk of Greene Street to avoid the track on the west side of the circuit.
For more traffic information and a map of the closures, go to gptraffic.com.
Check the MTA website at mta.maryland.gov for schedule changes. Route revisions for the Charm City Circulator are available at http://www.charmcitycirculator.com.
Baltimore Grand Prix 2013 news from The Baltimore Sun