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Two Lane Roads In America
instead of haveing just a path they had a road were they could drive a carrage -
Office of Public Road
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Asphalt manufactured from oil-refining byproducts
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First highway paved with portland cement
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Wisconsin adopts road numbering system
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MacDonald appointed head of federal Bureau of Public Roads
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Big Dig begins
Work begins in Boston on the Big Dig, an elevated freeway turned into an underground tunnel. -
Yellow traffic lights
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Uniform system of signs
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Numbering system for interstate highways
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Holland Tunnel was made
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Air-entrained concrete introduced
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Golden Gate Bridge
the golden gate bridge opens and connects sanfrancisco to marin county -
Route 66 completed
the route 66 is done -
Pennsylvania Turnpike
The Pennsylvania Turnpike opens as the country’s first roadway with no cross streets, no railroad crossings, and no traffic lights -
Federal Aid Highway Act
autorized the roads to go to city to city -
Walk/Don’t Walk signal
the first walk dont walk signal was in newyork city -
Chesapeake Bay Bridge
The Chesapeake Bay Bridge, the world’s largest continuous over-water steel structure opens -
Lake Pontchartrain Causeway opens
Lake Pontchartrain Causeway opens, connecting New Orleans with its north shore suburbs -
Chesapeake Bay BridgeTunnel opens
The Chesapeake Bay Bridge Tunnel opens, connecting Virginia Beach and Norfolk to Virginia’s Eastern Shore. -
Highway Safety Act
The Highway Safety Act establishes the National Highway Program Safety Standards to reduce traffic accidents. -
Interstate 70 opens west of Denver
the 1.75-mile Eisenhower Memorial Tunnel is opened with that -
Fort McHenry Tunnel in Baltimore opens
he Fort McHenry Tunnel in Baltimore opens and it was the first underwater one -
The Big Dig
Work begins in Boston on the Big Dig to turn, an elevated freeway into an underground tunnel. -
Glenn Anderson Freeway/Transitway opens
The Glenn Anderson Freeway Sensors buried in the pavement monitor traffic flow, and closed-circuit cameras alert officials to accidents.
