ตัวจับเวลาดิจิตอลแบบนับถอยหลังไฟแสดงลักษณะเป็นจุดสามสีสองหลัก

The traffic engineering design of 11 roads, including road traffic markings, signal lights, electronic police, video surveillance and other signal facilities, as well as the design of traffic safety facilities such as anti-collision pillars and thin layer anti slip. The construction period is 180 days, and the project meets the national construction acceptance standards.