- Gymnocladus dioicus - MD Rte. 28, approximately 300 feet east of MD Rte. 112 (Darnestown).
- Catalpa speciosa - MD Rte. 28, approximately 250 feet east of MD Rte. 112 (Darnestown).
707 North Calvert Street
Baltimore, Maryland 21202-3601
Main Business Line – 410-545-0300
Safety Campaigns – 1-800-323-6742
For emergencies, call MDOT SHA's Statewide Operations Center at 410-582-5650.
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