Help!!!!asap!!!i Need Software That I Can Use For Simulation Of Road Traffic(good Graphics Of Result)?

I am doing a project and dont have any idea of the softwares that i can use for simulation.I need to know about the softwares available for this purpose (freeware preffered) and describe the software why do u recommend it and how can we learn it and get it.Thanks

Which Is The Best Software That Can Be Used To Create Simple Animations Regarding Road Traffic And Where Do I?

where can i get the software please comment very eager to know this.