How to go from Chongqing to Tianshui, avoid the high speed.

In the map navigation, if you choose to avoid the high speed, you can give a route without tolls

This is a bit difficult to express, but why should we avoid high speeds?

From Chongqing, take National Highway 212 to Longnan, and then take National Highway 247 to Tianshui. You can also go along National Highway 212 to Guangyuan, then take National Highway 108 to Hanzhong, and then take National Highway 316 to Tianshui.