What's the difference between provincial highway and expressway from Taizhou gaogang district to Yao Ji Town, Suining County?

1, the numbers of different provincial roads start with the letter S, which is also easy to understand as the first pinyin of Sheng. The dart is also composed of the capital letter S+3 Arabic numerals.

2. Different speed limits The maximum speed limit for high-speed driving is 65,438+020 km, hour (passenger car), 65,438+000 km, hour, and the minimum speed limit is 60km, hour, which actually follows the requirements of road speed limit signs;