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The start of highways.
The office of public roads gets established, logan waller page found the American Association of State Highway Officials and lobbies Congress to secure the Federal Aid Highway Program in 1916 giving them money for highways.
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The first material used.
sun oil was used for asphalt and asphalt was much cheaper then the stuff that is used now.the natural asphalt was imported to venezuela.http://www.greatachievements.org/?id=3786 -
first highway cement paved
built near Pine Bluff, Arkansas,invented in1824 the cement was one of the first inventions to really get innovated.Cement is sonamed because the similarity to the stone quarried on the Isle of Portland off the English coast. cement was a big ivention that helped lots.
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adopts road numbering system for wisconsin
wisconsin was one of the first to add a numbering system as the rode increases.after wisconsin did it, it spread across the US and more and more states started to do it.
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macdonald became head of public roads.
macdonald beacme the head of the public roads.helps create the Advisory Board on Highway Research.which becomes the Highway Research Board in 1924.
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Yellow traffic lights
William Potts, a Detroit police officer, refines Invention by adding the yellow light. Red and green traffic signals in some form have been in use since 1868,
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system of signs
The stop sign was put up in a octagonal shape and the stop sign was invented.State highway engineers helped make the safety issue safe.
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Numbering system for interstate highways
state highway systems were made by the BPR. Three digit root numbers are added to shorten up the sections that the highway intersection get off of just like th days that go on now. -
the holland tunnel
Below the hudson river in new york.Made by Clifford Holland,
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Autobahn open
The worlds first superhighway built and opened.Today the autobahn covers more than 11,000 kilometers.
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Route 66 completed
route 66 is ranged from chicago all the way to st monica which is in california.It is also known as the mother road because of its size and how innovated it was to make that in just the year of 1937.
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golden gate bridge
the golden gate bridge starts at and ends at marin county. it is prone to earthquake, Made of more than a million tons of concerete.746 feet above water. -
federal aid highway
President Franklin Rooselvelt signs the Federal-Aid Highway Act of 1938. -
Pennsylvania Turnpike
The Pennsylvania Turnpike opens as one one of the countries first roadways without any traffic lights.
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Federal Aid Highway Act
Authorizes the 40,000 miles of highway to connect cities and places to the interstate highway.
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First concrete pavement constructed using slipform
The first concrete pavement constructed using slipforms is built in O’Brian and Cerro Counties, Iow
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chesepeake bay bridge
worlds largest steel structure over water, connects marylands eastern and western side of the shore.23 million cars travel over the bay bridge, -
New Federal Aid Highway Act
the president signs a new federal act.Adding 25 million into funding for the highways.
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Lake Pontchartrain Causeway opens
connecting New Orleans with its north shore suburbs.it is a 24 mile bridge which is the longest bridge i the world today!
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Reflective paint for highway markings developed
The first paint that went down on the roads that fit very well with the roads.
Reflective paint for highway markings developed -
Pavement standards