• Aerial view of the George Washington Memorial Parkway in the fall

    George Washington

    Memorial Parkway DC, MD, VA

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  • Lane Closures for Bridge Inspections

    Workers will close lanes of the George Washington Memorial Parkway while they inspect the Theodore Roosevelt Bridge on October 20 and the Metro bridge near I-395 on October 23. All lanes will be open during morning and afternoon rush hours. More »

  • Multiple Closures during Marathon on Sunday, October 26th

    Please visit the "Closures & Construction" page for more detailed information and for a list of alternate routes for the G.W. Parkway northbound from Rt. 50 to Rt. 123. More »

Ferns

The woods, marshes and swamps of the George Washington Memorial Parkway (GWMP) provide habitat for 28 extant species of ferns and seven other vascular crytograms such as horsetails, quillworts and lycopoid clubmosses. Six additional species of ferns historically documented from GWMP are now belived to be extripated along with the spikemoss, Selaginella rupestris.

Did You Know?

Aerial view of the Parkway

Features like cloverleaf interchanges and grassy medians made the George Washington Memorial Parkway "America's Most Modern Motorway" when it opened in 1932. More...