Vehicular ad-hoc networks (VANETs) have been an important hot research area over the most recent couple of years. Because of their extraordinary characteristics such as unique topology and unsurprising portability, VANETs draw in a great amount of consideration for both academia and industry. Transportation has huge impacts on the economical and human assets in modern society. Due to this, road accidents are increasing day by day. There are several ways to cope-up with this problem. In order to avoid accidents and to decrease traffic mishaps people should change their working and rash travelling habits. The IT networks can be taken into use now to connect people throughout the world. For instance, workers should be provided with flexible timetables. Another unique solution and currently taken into account way to mitigate this trouble through VANETs. In this book we tend to give a description of VANETs from research perspective. This book starts with an overview of VANETs, and then discusses the application of VANETs. The main goal of this book is detailed discussion of the safety applications of VANETs. Also simulate the one of the safety application on simulator which shows that the safety application will be beneficial for the crash avoidance of vehicles in real life. This book aims to explore the safety applications of VANET. One of most utter demand is to enhance the safety of road accidents. Transportation has huge impacts on the economical and human assets in modern society.