Abstract:The field of Vehicular Ad Hoc Networks (VANET) is generally not particularly new to researchers around the world. Because of this fact, there is loads of material accessible for VANET to survey. The routing protocols under VANET define a set of rules which governs the journey of message packets from source to destination in a network. In VANET, there are distinctive sorts of routing protocols each of them is connected by the system conditions. Different parametric advancement systems are explored and for effectiveness two expansive territories of research has been broadly completed in this paper initial one is enhancement strategies and other one is routing protocols based.