A MULTI-CRITERIA DECISION FOR DETERMINING THE APPROPRIATE JUNCTION DESIGN TYPE: AHP APPROACH WITH MICROSIMULATION

Increase in traffic volume causes current roads to become insufficient, reduces the comfort and safety and hence causes physiological and economic damage. For the solution to such traffic problems, the junctions that form corridors should be designed in concert with each other. The parameters such as delay and travel time can be used as the evaluation criteria of new solutions. This paper presented an Analytic Hierarchy Process (AHP) based decision for a corridor with four junctions in terms of travel time, average delay, queue length, CO emission, fuel consumption and traffic safety. Three alternative scenarios were taken into consideration for improving the performance of the corridor. The VISSIM simulations were conducted for three scenarios. The first alternative of "all junctions are roundabout" received the highest priority value and was the first choice between other alternatives according to AHP.