Join us as we drive 10 miles north on the western part of the DC beltway. We start the video merging onto Interstate 495 from Interstate 66 east near Merrifield. Continuing north, we pass the VA-7 and VA-123 interchanges before passing the left-turn exit at the Dulles Access Road (VA-267).
Soon after, we find ourselves crossing the Patomac River and entering Maryland, where we cross a single interchange with MD-190 before turning northwest at the junction of the Interstate 270 spur just northwest of Bethesda.
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