As VANET is one of the subset of MANET, it has been emerging since the inception of AI based Self Driving cars and have been increasing till date. The main objective of Vanet can be referred as safety concerns and internet driven Applications. On board units(OBU) and street side gadgets(RSU)are the fundamental aspect of vanet, it speak over open wi-fi network therefore making system at risk of attacks and which can also cause privatenesscompromisation, tracking and so on. in phrases of routing in VANET’s conventional routing can face a few critical trouble as in community. In conversation while the vacation spot node is unknown it is able to causes the packet loss it can cause degradation of QoS and developing in energy intake. As immoderate mobility is one of the critical part of VANET. VANET can be seen as an instance of hybrid developing networks. right here in this paper we are that specialize in essential troubles and routing techniques in Vanet.