Expressways of Henan
Henan, a Chinese province on the central plain area, has an expansive network consisting of national-level and provincial level expressways. As of 2025, the province had of expressways. All of the counties in Henan has expressway connections.
Numbering
The national-level expressways are numbered with a letter prefix G, which is short for "guojia" in Chinese meaning "national". For provincial-level expressways, a letter prefix S, which is short for "shengji". The numbering of provincial-level expressways in Henan follows the rules below:- For radial expressways leaving Zhengzhou, use a number in 81–90.
- For north–south expressways, use an odd number in 11–59.
- For east–west expressways, use an even number in 10–60.
- For connection or parallel routes, use a number in 61–80, 91–99, except for S38 and S84
- The numerical sequence number of the provincial expressway does not overlap with the numerical sequence number of the national expressway within the province.