the Advanced Vehicle AI, an improved path-finding cost calculation scheme that modifies the way your cims choose their routes,.prohibit vehicle types from using certain roads andīesides a handy toolset it additionally includes modified lane selection schemes and several other features that help increase simulation realism, especially:.add yield and stop signs to your junctions so that you can control which vehicles get priority when approaching the junction,.set up adaptive timed traffic lights that change their behavior depending on live traffic measurements,.Traffic Manager: President Edition (TM:PE, current version: 10.20) is a modification for Cities: Skylines that helps you manage your city's traffic flow.