Broadening Horizons
Transportation and Development Around the Pacific
The Pacific Basin is a vast area bounded by five continents and containing thousands of islands. The result is a variety of peoples and cultures, giving rise to a multitude of urban planning...
Ontario Writes New Bridge Code
In 1976, Ontario's Ministry of Transportation and Communications decided to write its own bridge design code, breaking away from the AASHTO code, because: (1)It wanted a metric...
Highway Embankment Doubles as Dam
By slightly modifying the design of a highway and its drainage, Pennsylvania engineers were able to reclaim about 100 acres of former swampland for residential use. Without extra cost...
More Than Just Another Routine Job
Split-second scheduling, attention to community needs and esthetics�� all figures into the design and construction of the Mission Road highway-railroad grade separation in central Los...
Intercity Bridge: First Major U.S. Cable-Stayed Bridge
The Intercity Bridge spans the Columbia River, connecting the cities of Pasco and Kennewick, Wash. It is the longest cable-stayed, concrete bridge in the U.S. (2,403-ft) and it has been...
New Use for Filter Fabric: Highway Construction
A growing area of filter fabric use is road construction, both secondary and superhighway. The article focuses on one case history in Cambridge, Maryland where, after a one-year test,...
Top Highway Problems: Finance and Maintenance
The nation's highway departments say their number one problem is inadequate funds. Congress and the Federal Highway Administration are worried that, due to inadequate highway...
Transportation Engineering Research Needs
In June 1979 a workshop on Civil Engineering Research Needs was convened by the National Science Foundation and ASCE. Of 10 subfields into which civil engineering was split, one was transportation...
World's First Iron Bridge
In 1779, using a new man-made material, skilled English workmen built a single-span bridge of cast iron over a steep river gorge about 140 miles northwest of London. The result was a 424-ton...
Winter Roads and Ice Bridges
In order to realize development of the La Grande hydroelectric complex in the James Bay Territory of northern Quebec Province, Canada, the cold weather had to be capitalized on for construction...
U.S. Energy Production�We Must Remove These Roadblocks
A U.S. energy policy statement has been prepared by the Association for the Cooperation in Engineering, which represents 22 engineering societies with memberships totaling 700,000. One...
Repair and Strengthening of Old Steel Truss Bridges
During the early 1900's, numerous pin jointed steel bridge trusses were constructed throughout the United States. In the intervening years, these trusses were replaced by...
Pittsburgh's Troubled Bridges: What to Do About Them�
The Pittsburgh area is troubled by old bridges that are badly deteriorated. The metropolitan area has more bridges�� 1,700�� than any other. And some 66 of them have weight limits posted....
County Engineer Throws the Book Away in Intersection Design and Lowers Cost 20%
Article describes the innovative design of a highway intersection that was reconstructed to relieve traffic congestion. The nearest drainage outlet was 2800-ft away and was inadequate,...
Big Thompson Flood Damage was Severe, but Some Could Have Been Prevented
During the Big Thompson flood of 1976, damages resulted from impact by water and debris and from erosion and scour. Houses were lifted from their foundations and floated away; buildings...
Let's Keep It In The Family
One of the most important challenges owners of private business will eventually encounter is the question of ownership succession. Unless the business owner provides the mechanism for...
Highway Widening Proceeds Behind Concrete Median Barrier
Precast concrete median barrier curb is being used temporarily to protect both workmen and traffic through the 3.1-mile long construction zone of a widening project along the Garden State...
Full-Depth, Full-Width Design, and Prestressed Concrete Pave the Way for Arizona's Highways
In an attempt to resolve design problems of Arizona's non-reinforced portland cement concrete pavements, a series of test installations are being made involving a comparison...
Highway Maintenance Gets Major Attention at Transportation Meeting
Highways�� their maintenance and recycling especially�� came in for a good share of notice at last January's 57th annual meeting of the Transportation Research Board in Washington,...
Fatigue Cracking�Problem for Welded Steel Bridges
A recent problem with welded steel bridges is fatigue cracking at welded details. Fatigue cracks begin in small flaws or discontinuities at welded connections and grow to a critical size...
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