HOV Fix on I-66

by Peter F. Bonaccorsi, P.E., Project Manager; Dewberry & Davis, 8401 Arlington Blvd., Fairfax, VA 22031-4666,


Serial Information: Civil Engineering—ASCE, 1996, Vol. 66, Issue 7, Pg. 64-66


Document Type: Feature article

Abstract: Construction has been under way since December 1993 on a project to widen and add a high occupancy vehicle lane on a 12 mi section of Interstate 66 from Route 50 to the City of Manassas at Route 234. In February 1992, the Virginia Department of Transportation (VDOT) retained Dewberry & Davis, Fairfax, Va. to provide comprehensive planning, engineering, traffic forecasting, environmental and traffic engineering services on the project. VDOT's objectives included optimizing HOV lane use, minimizing right-of-way acquisition, incorporation of a state-of-the-art traffic management system (TMS), minimizing disruption to the traveling public during construction, and production of design documents within a very tight schedule to expedite construction of the much needed highway improvements. Technical challenges included adapting state storm water management regulations to a linear project, recycling and replacing Portland cement pavement, designing a concurrent HOV lane operation, and directing HOV lane operations using changeable message signs.

Subject Headings: Construction | High occupancy vehicles | Highways and roads | Traffic engineering | Traffic management

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