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Rock Creek and Potomac Parkway
Washington, D.C.
 |
ROCK CREEK AND POTOMAC PARKWAY TIMELINE OF DEVELOPMENTS | |
| ???-1600s | Native Americans fish, camp, and quarry stone along Rock Creek | |
| 1608 | Captain John Smith exploring the Potomac River is first European to sight Rock Creek | |
| 1751 | Georgetown established | |
| 1788 | First bridge over Rock Creek constructed at M Street | |
| 1791 | Rock Creek serves as border of Pierre L'Enfant's plan for the Federal City | |
| 1828 | Chesapeake and Ohio Canal begun; completed from Rock Creek to Cumberland, Maryland in 1850. | |
| 1858 | Construction of Pennsylvania Avenue Bridge carrying Washington aqueduct over Rock Creek | |
| 1867 | U.S. Army Corps of Engineers first proposes to build avenues along Rock Creek | |
| 1890 | Rock Creek Park created to preserve woodlands surrounding upper Rock Creek valley | |
| 1890s | Increasing pollution spurs proposals to improve conditions along lower valley | |
| 1901 | Senate Park Commission includes parkway along Rock Creek in its plan for beautifying Washington | |
| 1907 | "Million Dollar Bridge" at Connecticut Avenue completed | |
| 1913 | Rock Creek and Potomac Parkway created by act of Congress | |
| 1920s | Parkway land acquired and construction begun | |
| 1936 | Construction of bridge at P Street completes parkway | |
| 1937 | One-way rush hour traffic policy instituted to relieve congestion | |
| 1940 | Rock Creek rechanneled to eliminate wide bend south of P Street, creating "P Street Beach" | |
| 1950s | Highway officials try to convert parkway into high-volume expressway | |
| 1960s | Theodore Roosevelt Bridge and freeway ramps constructed over south end of parkway | |
| 1966 | Zoo tunnel completed | |
| 1971 | John F. Kennedy Center for the Performing Arts completed | |
| 1970s | Construction of subway to northwest suburbs eases commuter pressure to upgrade parkway | |
| 1993-95 | William Howard Taft Bridge renovated | |
| Introduction | Acadia | Blue Ridge Parkway | Chickamauga and Chattanooga | Colonial Parkway | Generals Highway | George Washington Memorial Parkway | Going-to-the-Sun Road | Great Smoky Mountains | Mount Rainier | Rock Creek and Potomac Parkway | Shenandoah's Skyline Drive | Southwest Circle Tour | Vicksburg | Yellowstone | Yosemite |