This report examines means of re-establishment of cross-town connectivity that was disrupted in 1995 with the closure of Pennsylvania Avenue, N.W. between 15th and 17th Streets in Washington, D.C, to public vehicular traffic. In particular, traffic implications are evaluated for Transportation Systems Management initiatives as well as for a vehicular tunnel within the alignment of Pennsylvania Avenue, N.W. and for a tunnel connecting Pennsylvania Avenue south of the White House to the E Street Expressway. Four Pennsylvania Avenue tunnel alternatives, of different lengths, were examined, as well as an at-grade alternative; all were compared to a no-build alternative. For the Pennsylvania Avenue tunnels, certain constraints were established prior to traffic evaluation, including: Tunnel width shall be 50 ft., face-to-face of walls; Roadway through the tunnel shall consist of four lanes, two in each direction; Portals to the tunnels must be east of Madison Place and west of Jackson Place and not be located closer than existing security checkpoints; Traffic limitations must be examined for 10-foot and 14-foot clearances. The at-grade alternative for Pennsylvania Avenue was constrained to four lanes, two in each direction.


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    Title :

    Pennsylvania Avenue Traffic Alternatives Analysis


    Publication date :

    2001


    Size :

    49 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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