The Regional Transportation Agency of Central Maryland (RTA) is excited to announce two major service changes to enhance our regional connectivity!

Introducing the NEW Route 505, connecting Columbia, Ellicott City, and Catonsville. We have also restructured Route 405 to provide local service within Ellicott City, further expanding service to previously unserved communities and connecting passengers to additional resources across the city.  Click to read more.

Route 505 | Columbia-Catonsville (NEW)

Service to Columbia, Ellicott City, and Catonsville

  • Monday – Sunday Service

Expanded access includes:

  • Employment opportunities
  • Shopping choices
  • Healthcare & schools
  • Connections to MTA and CityLink service

Click to download map

Click to download bus schedule

Route 405 | Ellicott City

Restructured Route: Local service in Ellicott City

  • Monday – Friday & Saturday Service

Retains many of the same stops as the current Route 405

Transfer to Route 505 for connection to Columbia and Catonsville
New service to Pine Orchard Apartments and Goodwill

  • Long Gate Shopping Center (Use Route 505)
  • Mall at Columbia (Use Route 505)

Click to download map

Click to download the new Route 405 bus schedule

Download Transit today… and get more time back from your busy schedule!


For more information on the service changes, please contact RTA’s customer service at 800-270-9553.

*Date is tentative and subject to change.