Glasgow LEZ If you are using SUMO for the first time Make sure you install SUMO following the website https://eclipse.dev/sumo/ Our software version is 1.18 What if the SUMO file doesn't open? Maybe you are opening a large network file The network file in 03_Expand-Area (.net.xml) needs to be extracted Maybe you are not a windows user. You need to run it from terminal Once you launched terminal and located at the folder: hit sumo-gui glasgow_new.sumocfg