Investing in Regional Highway Networks

by Leon D. Chapman, Asst. Prof.; Dept. of Computer Sci. and Operations Res., Univ. of Alabama, University, AL,

Serial Information: Transportation Engineering Journal of ASCE, 1973, Vol. 99, Issue 2, Pg. 353-362

Document Type: Journal Paper


A regional, intercity, or statewide plan for ordering priorities for constructing new roads has been developed. This regional highway planning method includes solutions for the traffic generation, distribution, assignment, and road investment problems. A network operator's cost is calculated with the aid of the BPR programs. Construction costs and maintenance costs are given inputs to the system. All monetary costs are discounted to their present worth values. The optimal investment plan provides a network that satisfies the demands placed on it by the travelers and concomitantly minimizes construction costs, network operators' costs, and maintenance costs. The model is capable of handling very large networks (8,170 nodes), a large number of specified construction policies, and a large number of specified alternative network states. The planning method is application oriented.

Subject Headings: Construction costs | Highways and roads | Investments | Transportation networks | Maintenance | Interurban travel | Traffic assignment | Travel demand

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