PTV Lines is a cloud-based tool for public transport service planning that lets teams design and adjust routes, timetables, and service proposals in minutes. Built for service planners, it streamlines routine tasks so you can test ideas, compare scenarios, and make data-driven decisions. Key use cases include: 1. Network optimization and detours 2. Demand & ridership analysis 3. Scenario comparison with instant KPIs and CSV export 4. Accessibility and connection analysis to improve reachability and transfers 5. Quick before/after studies and seasonal or temporary timetables. Results can be exported to PTV Visum or operational systems for deeper analysis or implementation.