- Western Terminus:
- Pulaski Highway (US 40) in Baltimore
- Eastern Terminus:
- Graces Quarters Road in Middle River
- 13.01 miles
- Independent Cities:
MD 150 is an east/west route beginning in Baltimore and running northeast to Middle River. It begins at Pulaski Highway (US 40) and follows North Haven Street, East Lombard Street, and Ponca Street for a short distance to reach Eastern Avenue. For the remainder of its length, it is known as either Eastern Avenue or Eastern Boulevard. It ends at Graces Quarters Road near Gunpowder Falls State Park.