The objective of this paper is to detect the over speed for vehicles on the highway road. Although the maximum speed limit on the highway, many accidents keep on because of over speed driving. It is necessary to solve these problems through electronics circuit. This paper describes speed detection system for vehicles. The highway traffic police are easy to check over speed by using this system. This system mainly consists of Arduino UNO, two IR sensors MD 0138 Infrared Obstacle Avoidance Sensor , 1602A LCD display and buzzer. The detected speed is displayed on LCD. Moreover, if the vehicle crosses the limited speed, this system displays the condition of over speed on LCD and the buzzer is alarmed. Lae Yin Mon | Khin Khin Saw "Design and Construction of Speed Detection System for Vehicles" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23173.pdf