Download the Brochure | Get the Flyer Route 403 Key Highlights Route 403 will serve the future courthouse on Bendix Road. New Sunday service will also be provided. Buses will run every hour Monday to Sunday. Click Map to Enlarge Major Locations Served: Mall in Columbia Dorsey’s Search Village Center Selborne House Future Courthouse Red Branch Road Columbia 100 Parkway Changes will affect the following routes: 401, 402 A, 402 B, 403, 404, 405, 406, 407, 408, 409, 414 and 501