how to creating real time vehicular traffic simulation using openstreetmap and Node.js |
Your question is to broad and sadly doesn't say anything about what you tried already and your skills. You might want to checkout Simulation of urban mobility (SUMO) and the eWorld frontend. Then you can extend it with an web based viewer. |
Converted from an answer to a question from here: https://help.openstreetmap.org/questions/7313/is-there-an-osm-routing-api