# Artur Wolnica — Railway Signalling, ETCS/ERTMS Consultant

> Independent railway signalling consultant and manager focused on ETCS, ERTMS, railway system integration, interoperability, V&V, requirements analysis, technical management and AI advisory for safety-critical rail projects.

This site represents Artur Wolnica, founder of AWR Engineering, an independent consultant with 12+ years of experience in railway signalling, ETCS/ERTMS, system integration, testing, V&V, technical coordination and international rail projects.

The most relevant topics on this site are:
- ETCS and ERTMS implementation
- Railway signalling and safety-critical systems
- On-board and trackside system integration
- Train-to-track integration
- Interoperability and cross-border rail operations
- Verification, validation, testing and data analysis
- Requirements, tender and documentation review
- Technical leadership and project coordination
- AI advisory for railway engineering teams

## Priority pages

- https://arturwolnica.com/ — Main profile, consulting positioning, experience, expertise and contact entry point.
- https://arturwolnica.com/blog/ — Articles on railway signalling, ETCS/ERTMS, interoperability, rail technology and technical management.
- https://arturwolnica.com/#cooperation — Consulting cooperation areas, including railway signalling, ETCS/ERTMS, system integration and AI advisory.
- https://arturwolnica.com/#expertise — Core expertise areas: ETCS/ERTMS, V&V, testing, requirements, system architecture and technical management.
- https://arturwolnica.com/#projects — Selected international railway signalling project experience.

## Key articles

- https://arturwolnica.com/2025/12/28/barriers-to-european-railway-integration/ — Article about technical and organisational barriers to European rail integration.
- https://arturwolnica.com/2025/12/28/on-board-and-trackside-two-pillars-of-system-integration/ — Article explaining why on-board and trackside systems must be treated as two sides of railway system integration.
- https://arturwolnica.com/2025/12/28/why-railway-interoperability-matters-for-european-transport/ — Article about interoperability as a foundation for efficient European railway transport.

## Portfolio and project geography

- https://arturwolnica.com/gute-portfolio/germany/ — Selected railway signalling project experience in Germany.
- https://arturwolnica.com/gute-portfolio/netherlands/ — Selected railway signalling project experience in the Netherlands.
- https://arturwolnica.com/gute-portfolio/italy/ — Selected railway signalling project experience in Italy.
- https://arturwolnica.com/gute-portfolio/egypt/ — Selected railway signalling project experience in Egypt.
- https://arturwolnica.com/gute-portfolio/czechia/ — Selected railway signalling project experience in Czechia.
- https://arturwolnica.com/gute-portfolio/austria/ — Selected railway signalling project experience in Austria.
- https://arturwolnica.com/gute-portfolio/belgium/ — Selected railway signalling project experience in Belgium.
- https://arturwolnica.com/gute-portfolio/switzerland/ — Selected railway signalling project experience in Switzerland.
- https://arturwolnica.com/gute-portfolio/hungary/ — Selected railway signalling project experience in Hungary.

## External authority and writing

- https://newinsignal.com/ — External railway signalling publication where Artur Wolnica contributes articles and commentary.
- https://www.linkedin.com/in/arturwolnica/ — LinkedIn profile for professional background, commentary and contact.

## Sitemap

- https://arturwolnica.com/sitemap_index.xml — Full XML sitemap for search engines and crawlers.