GTFS.zone

A web-based GTFS (General Transit Feed Specification) editor inspired by geojson.io. Upload, visualize, edit, and export GTFS transit data with no login required.

Features

• 📁 File Upload: Drag-and-drop or button upload for GTFS ZIP files
• 🌐 URL Loading: Load GTFS feeds directly from URLs
• 🗺️ Interactive Map: Visualize stops and routes on an interactive map
• ✏️ Text Editor: Edit GTFS files with syntax highlighting
• 📦 Export: Download modified GTFS as ZIP file
• 📱 Responsive: Works on desktop and mobile devices

Quick Start

# Install dependencies
npm install

# Start development server
npm start

# Run tests
npm test

# Build for production
npm run build

Technology Stack

• Frontend: Vanilla JavaScript (ES6 modules)
• Mapping: Leaflet.js
• Editor: CodeMirror 6
• Build: Rollup with Tailwind CSS
• Testing: Playwright

Todo List - Future Features

Core Functionality

• GTFS Validation: Integrate MobilityData GTFS validator
• Advanced Error Handling: Better user feedback for parsing errors
• Undo/Redo: Text editor history management
• File Templates: Pre-configured GTFS file templates
• Bulk Operations: Multi-file editing capabilities

User Experience

• Dark Mode: Toggle between light and dark themes
• Keyboard Shortcuts: Editor shortcuts for power users
• Progress Indicators: Loading states for large files
• Tour/Onboarding: First-time user guidance
• Recent Files: Quick access to recently edited feeds

Data Visualization

• Route Visualization: Color-coded route lines on map
• Stop Clustering: Performance optimization for dense stop networks
• Service Calendar: Visual representation of service patterns
• Statistics Dashboard: Feed statistics and data quality metrics
• 3D Visualization: Elevation and terrain integration

Advanced Editing

• Smart Autocomplete: Context-aware field suggestions
• Relationship Validation: Real-time foreign key validation
• Batch Import: CSV import from external sources
• Field Mapping: Map external data to GTFS fields
• Version Control: Track changes and revert functionality

Performance & Scale

• Streaming Parser: Handle very large GTFS files
• Web Workers: Background processing for heavy operations
• Caching Strategy: Improve load times for repeated operations
• Memory Optimization: Better garbage collection for large datasets

Integration & Export

• Multiple Formats: Export to JSON, GeoJSON, KML
• API Integration: Connect to transit agency APIs
• Real-time Data: GTFS-Realtime feed integration
• Share Links: Generate shareable URLs for feeds
• Embed Widget: Embeddable map widget for websites

Quality & Standards

• GTFS Extensions: Support for GTFS-Flex, GTFS-Fares v2
• Accessibility: Full WCAG 2.1 compliance
• Internationalization: Multi-language support
• Print Support: Printable route maps and schedules
• Offline Mode: Service worker for offline editing

Developer Experience

• Plugin System: Extensible architecture for custom features
• API Documentation: Comprehensive developer docs
• TypeScript: Type safety and better IDE support
• Component Library: Reusable UI components
• Performance Monitoring: Real-time performance metrics

Releasing

Deployments are triggered by pushing a version tag. The Forgejo CI will build and copy the output to the server.

cz bump              # bumps version, updates changelog, creates tag (run on main only)
git push --follow-tags

Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests for new functionality
5. Run npm run lint and fix any issues
6. Submit a pull request

License

MIT License - see LICENSE file for details.

Links

• Live Demo
• GTFS Specification
• Issue Tracker