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historicalmarkerproject/markers/HM25A3_2004_Washington-DC.html
2004
Burt Rutan
Michael W. Melvill
Brian Binnie
The SpaceShipOne rocket and glider reaches a record altitude of 368,000 feet. Its second flight in two weeks wins it the $10 million Ansari X-Prize offered to inspire private development of m…
historicalmarkerproject/markers/HM25A2_1983_Washington-DC.html
1983
Sally Ride
Dr. Ride, the first American woman in space, takes part in the 7th Space Shuttle mission. The reusable spacecraft carry out 113 missions between 1983 and 2003.
Astronaut Sally Ride, 1984. NASA Johnson Space Center.
Sally …
historicalmarkerproject/markers/HM25A1_1972-1978_Washington-DC.html
1972-1978
Ivan Getting
Bradford Parkinson
Getting and Parkinson devise the Global Positioning System. It uses satellite signals, control stations and GPS receivers to pinpoint location in consumer cars and boats as well as commercial and mi…
historicalmarkerproject/markers/HM259Z_1967_Washington-DC.html
John Glenn. Jr. makes three orbits of earth during America's first manned orbit of space flight in the Mercury Atlas 6 Friendship.
historicalmarkerproject/markers/HM259Y_1970-2000_Washington-DC.html
1970
Airlines carry 172 million passengers in the United States.
2000
Airlines carry almost 615 million passengers in the United States.
historicalmarkerproject/markers/HM259X_1956_Washington-DC.html
President Eisenhower signs bills authorizing the National System of Interstate and Defense Highways. 42,500 miles of new high-speed limited access highways create a nationwide transportation network.
historicalmarkerproject/markers/HM259W_1960-2000_Washington-DC.html
1960
Americans own over 61 million cars. There are 1,230,000 miles of paved roads.
2000More than 130 million cars are registered. There are over 2,500,000 miles of paved roads.
historicalmarkerproject/markers/HM24PX_cantilever-bridge_Washington-DC.html
Cantilever bridges carry heavy loads. The structure is built out symmetrically from each pier. The landward side is anchored and the other side may support an intermediate truss or be joined to the next cantilever.
Snake River Bridge, Lyon's Ferr…
historicalmarkerproject/markers/HM24PI_2003_Washington-DC.html
Transportation Walk
2003
Dean Kamen introduces the [unreadable] and sell [unreadable] Segway Human Transporter. [unreadable]
Follow the transportation exhibition surrounding the Department of Transportation Headquarters
historicalmarkerproject/markers/HM24PF_1607_Washington-DC.html
The first permanent English colonists come to the New World in three small ships; the Susan Constant, Godspeed and Discovery. After settling at what is now Jamestown, Virginia Captain Smith becomes their leader.
John Smith (detail) Simon De P…