Reg Limited

Vehicle restriction query and reminder tool for Chinese cities. Query daily restrictions and set scheduled reminders.

RegLimited - Vehicle Restriction Query & Reminder

A tool to help you query vehicle restrictions and set reminders for Chinese cities.

Features

1. Restriction Query - Check if your vehicle is restricted today based on city and plate
2. Scheduled Reminders - Get notified at specified times about restriction info
3. Multi-city Support - Supports major Chinese cities including Beijing, Shanghai, Guangzhou, Shenzhen, Hangzhou, Chengdu, etc.

Usage

1. Query Today's Restrictions

bash

# Query today's restricted digits for a city
reg-limited query --city beijing

# Check if a plate is restricted
reg-limited check --city beijing --plate 京A12345

2. Set Restriction Reminders

bash

# Basic usage
reg-limited add --city beijing --plate 京A12345 --time "07:00"

# Full parameters
reg-limited add --city beijing --plate 京A12345 --time "07:00" --notify-channel feishu

3. List All Reminders

bash

reg-limited list

4. Remove Reminders

bash

reg-limited remove --id <reminder_id>

Supported Cities

• Beijing (北京)
• Shanghai (上海)
• Guangzhou (广州)
• Shenzhen (深圳)
• Hangzhou (杭州)
• Chengdu (成都)
• Tianjin (天津)
• Wuhan (武汉)
• Xi'an (西安)
• Nanjing (南京)

Restriction Rules

Beijing

Queries real-time restriction data from Beijing Traffic Management Bureau:

• Official source: https://jtgl.beijing.gov.cn/jgj/lszt/659722/660341/index.html
• Current period: 2025-12-29 to 2026-03-29
• Restrictions apply Mon-Fri, 7:00-20:00

Day	Restricted
Monday	3, 8
Tuesday	4, 9
Wednesday	5, 0
Thursday	1, 6
Friday	2, 7

Other Cities

• Shanghai: Elevated road restrictions
• Guangzhou: "Open Four, Stop Four" policy
• Shenzhen: Morning/evening peak hour restrictions
• Hangzhou/Chengdu/Tianjin/Wuhan/Xi'an/Nanjing: Day-specific number restrictions

Output Format

JSON format for program processing:

json

{
  "success": true,
  "data": {
    "city": "北京",
    "date": "2026-03-03",
    "restricted": ["4", "9"],
    "isRestricted": true,
    "plate": "京A12345",
    "lastDigit": "4"
  }
}

Example Dialogues

User: What's today's vehicle restriction in Beijing?
Bot: Today's restriction digits: 4, 9 (Your plate 4 is restricted!)

User: Is my car 京A12345 restricted today?
Bot: Yes! Today (Tuesday) Beijing restricts digits 4 and 9. Your plate ends with 4, so it's restricted.

User: Set a reminder for 7am tomorrow about restrictions
Bot: Done! You'll receive a restriction reminder at 7am tomorrow.

Technical Implementation

1. Fetches daily restriction info from official government sources
2. For Beijing: queries https://jtgl.beijing.gov.cn/jgj/lszt/659722/660341/index.html
3. Parses restricted digits from the official table
4. Compares with plate last digit
5. Sends notifications via scheduled tasks

Dependencies

• Node.js
• Network access (for querying restrictions)
• Message channels (Feishu/Telegram/etc.)

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More cities coming soon...