Vehicular ad hoc networks, an emerging network platform based on vehicle-to-vehicle and vehicle-to infrastructure communications, promise valuable applications to enhance driving safety, comfort, and efficiency. In this article we introduce the different solutions those can be improve the Traffic system in India and abroad & every one sharing the roads should respect each other’s presence and their right of advancement on roads. We have survey on different Metro cities Delhi, Mumbai, Kolkata, Chennai, Hyderabad & Bangalore etc. There are many accidents happened & expands the huge fuels due to improper communication between vehicles and not used the proper path. Vehicular ad-hoc networks (VANETs) offer a vast number of applications without any support from fixed infrastructure. These applications forward messages in a multi-hop fashion. Designing an efficient routing protocol for all VANET applications is very hard. Hence a survey on traffic control applications, safety applications, driver assistance and location based services.

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