https://tetcos.com/vanets.html & https://tetcos.freshdesk.com/support/solutions/folders/14000118424 for VANETs and https://tetcos.com/sdn.html for SND
It covers SDN and raod-map based VANETs (using SUMO). I don't know about real time traffic - perhaps there is a way of importing it into SUMO. You will need to figure that out.