Washington Outer Beltway
The Techway is a proposal for a limited-access highway across the Potomac River between Fairfax County , Virginia , and Montgomery County , Maryland . 
<triplet> Potomac River <subj> Montgomery County, Maryland <obj> located in the administrative territorial entity <triplet> Fairfax County, Virginia <subj> Montgomery County, Maryland <obj> shares border with <triplet> Montgomery County, Maryland <subj> Potomac River <obj> located in or next to body of water <subj> Fairfax County, Virginia <obj> shares border with