List of provincial expressways of China

Anhui

• North-south routes end in odd numbers and are arranged in ascending order from east to west, numbered from 01 to 59.
• East-west routes end in even numbers and are arranged in ascending order from north to south, numbered from 02 to 58.
• Connecting routes begin with "6" and are arranged in ascending order from north to south.
• Ring roads begin with "8" and are arranged in ascending order from north to south.
• Branch lines begin with "9" and are arranged in ascending order from north to south.

• S8 was originally Mengbo Expressway
• S22 was originally Tianqian Expressway
• S24 was originally Changhe Expressway
• S36 was originally Xuandong Expressway
• S0711 was originally Siwu Expressway
• S1111 was originally Ningjing Expressway
• S2212 was originally Ninghe Expressway

Beijing

Beijing-Tianjin-Hebei inter-provincial

• For radial routes: arranged in ascending order clockwise beginning at true north; the final digit is 1.
• For north–south routes: arranged in ascending order from east to west; the final digit is 5.
• For east–west routes: arranged in ascending order from north to south; the final digit is 0.
• No two routes can have the same number.

Fujian

• S1522 was originally Pingtan Connecting Line
• S2525 was originally Sanming Connecting Line

Gansu

• S1 Lanzhou-Yingpanguan / Lanying Expressway
• S2 Lanzhou-Langmusi / Lanlang Expressway
• S11 Qingcheng - Wuqi / Qingwu Expressway
• S13 Pingliang - Baoji / Pingbao Expressway
• S15 Pingliang - Wudu / Pingwu Expressway
• S10 Wuwei-Jinchang / Wujin Expressway
• S12 Baiyin-Zhongchuan Airport / Baizhong Expressway

Guangxi

• North-south and east-west routes have numbers of 10-69, with odd numbers for north-south routes and even numbers for east-west routes.
• City ring routes have four digits, made of the main line number, the number "0" and a sequence number.
• Parallel routes have four digits, made of the main line number, the number "2" and a sequence number.
• Connecting routes have numbers of 70-89, arranged in order from north to south and east to west. A four digit number can also be used, and it consists of the main line number, the number "1", and a sequence number.
• Regional ring routes have numbers of 90-99.

Guizhou

• S04 was originally Bijie City Ring Expressway
• S30 was originally Jiangzhi Expressway
• S45 was originally Guiluo Expressway
• S50 was originally Duxing Expressway
• S55 was originally Chiwang Expressway
• S81 was originally Suiyun Expressway
• S82 was originally Qianda Expressway
• S83 was originally Zhaqian Expressway
• S84 was originally Tianweng Expressway
• S85 was originally Duzhi Expressway
• S87 was originally Daliu Expressway

Hebei

• S30 was originally Huangxing Expressway
• S51 was originally Qiancao Expressway
• S52 was originally Erqin Expressway
• S53 was originally Tangqian Expressway
• S54 was originally Zhangshang Expressway
• S55 was originally Kecheng Expressway
• S56 was originally Xuanda Expressway
• S58 was originally Yuxian Liaison Line
• S62 was originally Beidaihe Airport Expressway
• S65 was originally Jingba Expressway
• S67 was originally Gucheng Liaison Line
• S69 was originally Zhangxin Expressway and later Anxin Expressway
• S73 was originally Shizan Expressway
• S74 was originally Jinxu Expressway
• S76 was originally Dinghuang Expressway and later Qugang Expressway
• S9902 was originally Shijiazhuang Liaison Line

Heilongjiang

• East-west routes have even numbers and north-south routes have odd numbers.

• S12 was originally Qianqi Expressway

Henan

• S26 was originally Fanhui Expressway
• S49 was originally Jiaotong Expressway and later Lintong Expressway and Linru Expressway
• S57 was originally Mianluan Expressway
• S62 was originally Huaixin Expressway and later Guxin Expressway
• S81 was originally Shangzhou Expressway
• S85 was originally Zhengshaoluo Expressway and later Zhenglu Expressway
• S86 was originally Yuanjiao Expressway and later Lanjiao Expressway and Lanyuan Expressway
• S88 was originally Wuxi Expressway and later Zhengxi Expressway
• S92 was originally Xinhui Expressway
• S99 was originally Qukou Expressway and later Nankou Expressway

Hubei

• Radial routes are numbered in ascending order clockwise beginning from the north, and are numbered 1-20.
• North-south routes are numbered in ascending order from east to west, have odd numbers, the second digit is 1, 3, or 9 and are numbered 29-93.
• East-west routes are numbered in ascending order from north to south, have even numbers, the second digit is 4 or 8 and are numbered 28-88.
• Routes 21-27 are connecting or link routes.

Jiangsu

• S35 was originally Taizhen Expressway
• S45 was originally Yihang Expressway
• S75 was originally Fuxingtai Branch Line
• S82 was originally Zhangjiaganggang Port Expressway
• S83 was originally Wuxi Branch Line
• S85 was originally Liyang Branch Line
• S92 was originally Jinhu Branch Line

Jilin

Liaoning

• S20 was originally Dengliao Expressway

Ningxia

• All numbers are two digits. North-south routes end in 0 and east-west routes end in 5.

Shandong

• S14 was originally Gaoxing Expressway
• S21 was originally Xinwei Expressway
• S27 was originally Huangzhan Expressway
• S29 was originally Binlai Expressway
• S31 was originally Taixin Expressway
• S37 was originally Jiqi Expressway

Shanxi

• S50 was originally Pinglin Expressway
• S60 was originally Yuqi Expressway
• S86 was originally Jinyang Expressway

Sichuan

• Radial routes are single digit, numbered in ascending order clockwise beginning north.
• North-south routes are two-digit with odd numbers, numbered in ascending order from east to west.
• East-west routes are two digits with even numbers, numbered in ascending order from north to south.
• Ring roads have a letter identifying the city the route is located and a number identifying the sequence of routes from inside to outside. If there is only one ring road, the number is omitted.

• S2 was originally Chengbashaan Expressway
• S8 was originally Chengqiongkang Expressway
• S41 was originally Neiyibi Expressway
• S49 was originally Mianzhong Expressway
• S53 was originally Maosui Expressway
• S63 was originally Puyizhao Expressway
• S66 was originally Longle Expressway
• S67 was originally Lexi Expressway and later Lepu Expressway

Tianjin

Xinjiang

Yunnan

• S0501 Kunming Ring Expressway

• 3. Renhe–Pu'er Expressway
• 4. Tonghai–Lüchun Expressway
• 6. Shangri-La–Jingdong Expressway
• 8. Deqen–Lujiang Expressway

• 1. Anning–Houqiao Expressway
• 4. Tianlian–Malong Expressway
• 6. Jinshuihe–Shuangpai Expressway

• 1. Shuifu–Suijiang Expressway
• 6. Pingyuan–Wenshan Expressway

Zhejiang