Automatic Surveying � Updating Canada's Control
With Litton's Auto-Surveyor system you can perform third-order surveys driving at highway speeds or flying in a helicopter. With proper planning...

Yukon River to Prudhoe Bay Highway � Lessons in Arctic Design and Construction
Construction of roads on muskeg over perennially frozen subsoils is becoming increasingly common in the arctic and subarctic regions of North America due to recent emphasis on development...

Off-Highway Transportation in the Arctic
Because of the terrain and lack of roads in the region, a new breed of off-highway vehicles has seen heavy service in the Arctic and north slope of Alaska. These vehicles include rubber-bag...

States Intensifying Efforts to Reduce Highway Landslides
A recent survey by the Federal Highway Administration (FHA) shows the U.S. is presently spending $50,000,000/yr to repair major landslides on the Federal-aid highway system. The total...

Rio-Niteroi Bridge Features Record Girder Span
The six-lane highway bridge between Rio de Janeiro and Niteroi, Brazil, is 8.25 miles (13.3 km) long. There are 5.5 miles (8.9 km) constructed over the open waters of Guanabara Bay. The...

Filter Fabrics: Growing Use in Road and Highway Construction
Filter fabrics are seeing increasing use in road and highway construction; and promise to see greatly expanded use in the near future. A rapidly growing use is in constructing longitudinal...

Today's Northwest Passage
The Lower Snake River Project received the outstanding water resources engineering project award for 1976 from ASCE. The lower 140-mile (225-km) reach of the Snake River from its mouth...

Polymer-Concrete Passes Toughest Test
Almost three years after a pour of polymer-concrete (PC), a full patch of a hole in New York City's Major Deegan Expressway shows no cracks and is adhering well to the original...

The Three Ages of Philadelphia
Philadelphia was founded in 1682 when a shipload of 70 arrived with William Penn from England. Origins of this all-religious colony are described. Though a half-century younger than New...

The Story of America's Transportation Revolution
During the 200 years since the Declaration of Independence, the United States witnessed a revolution in transportation unprecedented in recorded history. For hundreds of years, man had...

Job-Site Innovations Slash Time, Cost of Constructing Canada's Tallest Skyscraper
In Building Canada's tallest office building, the 72-story First Bank Tower in Toronto, owner-developer Olympia & York introduced several job site innovations that...

First Bridge Across the Yukon River
Until recently, the Yukon River was a major obstacle in constructing a roadway to the oil-rich North Slope of Alaska. But on October 10, 1975, that obstacle was hurdled when the first...

Highway in Harmony with Its Environment
The Vail Pass portion of Interstate 70 in Colorado is developing into a masterpiece of modern highway; designed and built to blend into a scenic mountain environment. The consultant's...

Washington Metro: Our National Model
The first segment of Washington D.C.'s rapid transit railway is now open. The system features a host of engineering innovations in the areas of aerial structures, tunneling,...

Highway Fill�� A Broad-Crested Weir
Hurricane Agnes in June, l972, destroyed the bridge over the Middle Patuxent River in Maryland which had suffered damages from several other storms. Replacement costs had to be kept low...

Landmark Erie Canal Structure Rehabilitated
The lower level of the Broad Street Bridge, which dates to 1823, was an aqueduct which carried the Erie Barge Canal over the Genessee River in Rochester, New York. The history of this...

Falsework Eliminated in Bridge Erection
The U.S. Highway 50 bridge just east of North Vernon, Ind., is one of the first applications in this country of the precast, prestressed concrete box girder design erected without falsework....

Economics of Preventive Highway Maintenance
The preventive maintenance concept for asphaltic highway surface care is intended to give all areas of the Kansas Department of Transportation the necessary procedures for such work. The...

American Wooden Bridges
Wooden bridges are inimitably American. Their practicality, individuality, and ruggedness are traditional characteristics associated with our country. This publication catalogues some...

Los Angeles Pioneers Separate Busway
The San Bernardino Freeway Express Busway, a joint project of the Southern California Rapid Transit District and California Department of Transportation, is the nation's first...

 

 

 

 

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