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...
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...
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...
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...
Carpools: How Successful�
For a number of years, the Federal Highway Administration has been encouraging increased carpooling as one of the ways to increase the people- moving efficiency of urban highways. The...
Interstate Highway System
Eventually to cost nearly $90 billion, the Interstate Highway System will connect all U.S. cities of 50,000 and larger, eventually carry 25% of all highway traffic. The article traces...
Improved Design of Highway Culvert
New culvert design procedures, incorporating improved inlet concepts, make significant construction savings possible through hydrauically efficient use of the culvert barrel. Two representative...
Urban Freeways and Changing Social Values
One key reason for undertaking the $90 billion Interstate Highway System �even though the name may not so indicate? was traffic congestion in and near cities. The intercity segments of...
Interstate Squeezes through River Gorge
The Virgin River Gorge in northern Arizona, a designated wilderness area, now contains one of the most beautiful and spectacular segments of our Interstate Highway System. Interstate 15,...
8-Story Building Moved to Avoid Wrecker's Ball
In Bogota, Colombia, a 7000 ton (15400kips) was moved almost 100 ft (30 m) to make way for a much needed highway arterial. Instead of wrecking the structure, an apartment building in a...
Short Span Bridges
Short span bridges, seemingly simple and innocuous structures, in fact embody many interesting problems and developments: The need to replace hundreds of thousands of bridges (safety and...
Reinforced Earth Bridges Highway Sinkhole
Faced with an unusual sinkhole condition, the Pennsylvania Department of Transportation decided to utilize a two-way reinforced earth slab in conjunction with a subsurface grouting program...
Tackling Major Highway Landslides in the Tennessee Mountains
Interstate 40, running through Tennessee's rugged Smoky Mountains, has been damaged in several places by major landslides. As illustrated by several case histories in this...
Los Angeles Tackles Freeway Congestion
In some 50 miles of Los Angeles freeway, the California Division of Highways is taking a systematic approach to eliminating traffic congestion. The actions include: changeable message...
Reinforced Earth: A New Alternative for Earth Retention Structures
Using a variety of projects as examples, the authors demonstrate the versatility of the patented Reinforced EarthTM...
Citizen Participation: Assessing Public Attitudes
One of a short series of articles how to achieve effective citizen participation. A case history approach is used focusing on a proposed highway relocation in Ottowa, Canada. Techniques...
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