18 describe three traffic re-routing strategies designed to be incorporated in a cost-effective vehicular traffic guidance system, in order to reduce the traffic congestion and its related problems. Various sensors have been employed to estimate traffic parameters for updating traffic information. Later we will take a stroll through the intelligent transportation examples. Smart traffic lights or Intelligent traffic lights are a vehicle traffic control system that combines traditional traffic lights with an array of sensors and artificial intelligence to intelligently route vehicle and pedestrian traffic. The intelligent traffic control system works in four different modes are Normal flow, peak time, off time and manual operation. Peak time and off time modes are depended on the sensors outputs then change the status. For intelligent traffic light system ,the most common technique is the use of fuzzy logic contoller. Traffic is a major concern for most of the metropolitan cities of the world. Introduction Intelligent Transportation system are advanced applications aim to provide innovative services related to different modes of transport and trafficmanagement. Our intelligent traffic control system totally depend on the sensors output and take decisions. Advantages. This will almost certainly result in a traffic accident. Tradionally a fixed time controller is used which has certain disadvantages. As the Number of road users constantly increases, and resources provided by current infrastructures are limited, intelligent control of traffic will become a very important issue in the future [1]. All set? ITS enables various users to be better informed, make safer, more coordinated and smarter use of transport networks. An architecture for creating intelligent systems for controlling road traffic is proposed. The aim of the ITS is to advance the transport system to make it additional efficient and safe by use of information, connections and control strategies. Self-driving cars are going to make everything worse. Within them is the feature of Intelligent Transportation Systems. problem. In fact, it will make it easier for you to fall asleep behind the wheel because you won’t have to do much work as a driver. Efficient traffic management can have a major impact on the country's economy. Of course, their perfect driving, as well as relentless focus, will decrease traffic fatalities by 90%. I will take you for a trip starting from the major applications of intelligent transportation system, then to the disadvantages of intelligent transportation system. So there is a need of proper control of traffic signal timing sequence. This paper proposes a new digital-logic based system which is more efficient than currently used traffic control systems. Top 4 Cruise Control Disadvantages 1) Bad for Tired Drivers. These investigate the concept that treats highway systems and automobiles which make usage of them as incorporated system. The jury is still out on the effectiveness of odd even scheme but here we will look at both the advantages and disadvantages of the scheme. Then let us start with why intelligent transportation system is a buzz word. Intelligent Traffic Control System is no more a luxury with increasing vehicles on roads, life running on minutes count and intelligent cars availability. One way to improve traffic flow and Safety of the current transportation system is to apply automation and Intelligent control methods. If you are feeling tired and sleepy behind the steering wheel, then cruise control is not going to help. To this, the vehicles in the system can collect real-time traffic-related data and change its route in response to newly received guidance. Pan et al. They can form part of a bigger intelligent transport system Pollution control- This was the major reason for this step by the government of Delhi.