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Pavement Maintenance: Pounds of Prevention vs. Tons of Cure
Ever hit a pothole at 70mph? To paraphrase Ben Franklin, do a little preventive work…
Posted inHighway Engineering
Highway Construction & Engineering
Highway construction and engineering includes planning, designing, and building of highways. History stands witness that…
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Major/minor priority intersections
Introduction A priority intersection occurs between two roads, one termed the ‘major’ road and the…
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The Design of Highway Intersections
Introduction A highway intersection is required to control conflicting and merging streams of traffic so…
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The ‘level of service’ approach
Introduction ‘Level of service’ describes in a qualitative way the operational conditions for traffic from…
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Speed-density relationship
In a situation where only one car is travelling along a stretch of highway, densities…
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Basic Elements of Highway Traffic Analysis
Introduction The functional effectiveness of a highway is measured in terms of its ability to…
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Highway CBA worked example
Introduction It is proposed to upgrade an existing single carriageway road to a dual carriageway…
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Use of economic indicators to assess basic economic viability
Once the two parameters of project life and discount rate are set in place, these…
Posted inHighway Engineering
Economic life, residual value and the discount rate
A highway project is often complex and long term, with the costs and benefits associated…