Just north of MD 158, MD 151 has a partial interchange with I-695 (Baltimore Beltway), which includes a ramp from MD 151 to northbound I-695 and a loop ramp from southbound I-695 to MD 151.
Just north of MD 158, MD 151 has a partial interchange with I-695 (Baltimore Beltway), which includes a ramp from MD 151 to northbound I-695 and a loop ramp from southbound I-695 to MD 151.