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George Washington Memorial Parkway
Virginia, Maryland, Washington, D.C.
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GEORGE WASHINGTON MEMORIAL PARKWAY TIMELINE OF DEVELOPMENTS | |
| 1785 | George Washington forms Patowmack Company to build canal around Great Falls | |
| 1828 | Construction starts on Chesapeake and Ohio Canal | |
| 1800s | Stone quarried from Potomac Palisades | |
| 1901 | Senate Park Commission urges protection of Great Falls and Potomac Palisades | |
| 1920s | Hydroelectric dams proposed near Great Falls | |
| 1930 | Capper-Cramton Act authorizes George Washington Memorial Parkway | |
| 1940s | Parkway constructed past Rosslyn to Spout Run | |
| 1959 | Parkway extended to Langley, Virginia | |
| 1962 | Capital Beltway (I-495) serves as northern terminus of parkway drive in Virginia | |
| 1964 | Road on Maryland side reaches current terminus just north of Beltway | |
| 1970 | Final section of parkway road completed between Chain Bridge and Maryland border | |
| 1989 | Maryland roadway segment renamed Clara Barton Parkway | |
| Introduction | Acadia | Blue Ridge Parkway | Colonial Parkway | Generals Highway | George Washington Memorial Parkway | Great Smoky Mountains | Mount Rainier | Rock Creek and Potomac Parkway | Shenandoah's Skyline Drive | Southwest Circle Tour | Vicksburg | Yellowstone | Yosemite | Discover History |
