St. Mary's Transit System Transport Routes in Leonardtown
St. Mary's Transit System, based in Leonardtown, Maryland, United States, offers a reliable and comprehensive network of public transport services, including Bus. Our platform provides detailed and up-to-date information on routes, schedules, stops, and arrivals for all services operated by St. Mary's Transit System. Whether you're planning your daily commute or exploring the city, our tools help you find the nearest stop and the best route to your destination.
Centrally located within its service region, St. Mary's Transit System operates in the America/New_York timezone, facilitating smooth transit connections across Leonardtown and surrounding areas. Daylight saving time begins on 08 Mar 2026 (Forward 1 hour) and ends on 01 Nov 2026 (Back 1 hour). This accurate location and time information helps ensure you have everything you need to plan your journeys effectively.
Local time:
By leveraging GTFS data, St. Mary's Transit System maintains an extensive database of transit stops and routes, contributing to an efficient and accessible transportation system. This data is seamlessly integrated into our platform, providing developers and businesses with a comprehensive API for easy access to public transport information. All data undergoes automated validation and correction via our GTFS quality pipeline.
For more detailed information, you can visit the official website of St. Mary's Transit System at stmarysmd.com. If you have any questions, feel free to contact the operator at 301-475-4200.
St. Mary's Transit System operates in the following cities: Leonardtown, Charlotte Hall.
St. Mary's Transit System coverage area map

Buses
- 1California Route
- 2Charlotte Hall Route
- 3Great Mills Route
- 3Lexington Park to Leonardtown via Great Mills
- 4County Span Route
- 4Lexington Park to Charlotte Hall
- 4.5Between Lexington Park and California via MD 235
- 5Calvert Connection
- 5Lexington Park to Solomons
- 6Northern Route
- 7Lexington Park to Ridge to St. Mary's City
- 7Southern Route
- 8Great Mills / California Route
- 11California to Great Mills
- 11Great Mills/California Route
- 12Leonardtown Route
- 14County Span Saturday Route
- 14Lexington Park to Charlotte Hall
St. Mary's Transit System
- Website
- stmarysmd.com
- Phone
- 301-475-4200
- Currency
- USD