TRANSPORT PLANNING IS VITALLY CONCERNED WITH THE EFFICIENT UTILISATION OF LIMITED RESOURCES TO MAXIMISE COMMUNITY BENEFITS FROM TRANSPORT IMPROVEMENTS. THE BENEFITS AND RESOURCES ASSOCIATED WITH THE DEVELOPMENT OF TRANSPORT FACILITIES ARE NOT ALWAYS AMENABLE TO COSTING NOR, AT TIMES, QUANTITATIVE. YET, THE TRANSPORT PLANNER IS OFTEN CONFRONTED WITH A LARGE NUMBER OF POTENTIAL TRANSPORT IMPROVEMENTS WHICH HAVE VARYING RETURNS ON INVESTMENT. HENCE PROJECT PROGRAMMING IS A PHASE IN THE PLANNING PROCESS WHICH NECESSITATES THE USE OF BOTH QUANTITATIVE ANALYTICAL TECHNIQUES AND SUBJECTIVE ASSESSMENT AND JUDGEMENT TO DETERMINE THE MOST APPROPRIATE SET OF IMPROVEMENTS AND THE TIMING OF THEIR IMPLEMENTATION. THIS PAPER WILL CONSIDER THE USE OF LINEAR PROGRAMMING AS AN AID IN FORMULATING DEVELOPMENT PROGRAMS FOR A ROAD SYSTEM. THE FORMULATION OF A MIXED-INTEGER MODEL WILL BE PRESENTED, AND ALTERNATIVE METHODS OF APPROACH TO THE EFFICIENT USE OF THE LINEAR PROGRAMMING TECHNIQUE, TO SOLVE THE MIXED-INTEGER PROBLEM, WILL BE DEMONSTRATED. (A). FOR THE COVERING ABSTRACT OF THE CONFERENCE PROCEEDINGS SEE IRRD ABSTRACT NO 226354.
Samenvatting