Hi, I am quite new to network analyst and would like to know a little bit about how to measure "improvements" of network changes. I have a set of road networks and some improvements are made to these networks, for example: reducing resistance of segments in network (e.g. increasing speed, and capacity). Say, a quicker and more direct route connecting A to B would have improvements on the network. Also, road widening on the existing networks could also improve itself. My question would be, how to measure (maybe the percentage change) and quantify network improvements? For the type of improvement where new segments are introduced, I am thinking of an O-D cost matrix to measure the average time changed. However, I have no idea on how to quantify improvements of resistance reduction (e.g. capacity increment in segments). Thank you for your help!
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