***21.4 kilometers, 27 minutes. Start from the starting point at Houyu Toll Station 1 and drive 43 meters west along X309/Changhong West Road (passing Houyu Toll Station). After passing Changzhou Houyu Solar Water Heater Factory, turn around and enter X309/Changhong West Road.

Road 2 drives along X309/Changhong West Road for 7.3 kilometers. Turn around 3 and drive straight ahead for 7.9 kilometers. Leave from the exit of Xingang Avenue/Yunhe Road/Zhonglou District Administrative Center and enter detailed section 3.1 of Longjiang Middle Road. Drive 347 meters and take the ramp.

Enter Longjiang Road South Extension Elevated 3.2 and drive along the Longjiang Road South Extension Elevated for 251 meters. Enter Longjiang Road Elevated 3.3 and drive along the Longjiang Road Elevated for 6.5 kilometers. Exit from the Xingang Avenue/Yunhe Road/Zhonglou District Administrative Center Exit and enter

Longjiang Middle Road 4 enters the urban road in Zhonglou District and drives for 6.1 kilometers. When you reach the end point, detailed section 4.1, drive along Longjiang Middle Road for 1.0 kilometers, turn right and take the ramp, turn left into Yunhe Road 4.2, drive along Yunhe Road for 1.8 kilometers, and enter Guanhe West Road 4.3.

Drive 2.4 kilometers on Guanhe West Road, turn right into Beizhi Street 4.4 and follow Beizhi Street for 0.6 kilometers, turn right into Dongheng Street 4.5 and follow Dongheng Street for 131 meters, pass the CCB Dongheng Street Branch for about 50 meters and then turn right

Turn 4.6 and drive 78 meters. Please accept it when you reach the end.