A challenge for experienced mappers!
Dear Thailand OSM Community,
With a goal to improve OSM Data in Thailand TomTom and OSM are collaborating to add missing speed limit tags on major highways, ensuring safer and more efficient routing for all users. Through this challenge, let’s work together to improve road safety in Thailand! 
Your contributions will help reduce data gaps, improve navigation accuracy, and support compliance with local traffic laws. Every edit makes a difference!
Join the challenge today and help enhance Thailand’s map. 
Link: MapRoulette
Happy Mapping!
Regards,
Kiran
Community Manager, Asia Pacific,
TomTom