Hello Anum.

There are a plenty of agent-based traffic simulators. I used SUMO (https://www.eclipse.org/sumo) a couple of years ago, which is a powerful microscopic traffic simulator. I also recommend you this book of J. Barceló (https://www.springer.com/gp/book/9781441961419). It presents the basic of traffic simulation and gives details of many simulators.

On the other hand, there are some general purpose agent-based simulators. Many people use them to model and simulate traffic scenarios. Examples include NetLogo (https://ccl.northwestern.edu/netlogo) and Repast (https://repast.github.io).

Cheers,

Marcelo