Tietorahdin kartta is a free Android app by Tietorahti Oy, designed to provide essential information to drivers of heavy vehicles such as trucks and buses. The app is regularly updated with new features and information, making it a valuable resource for drivers who want to stay up-to-date with the latest information. While there may still be errors in the height restriction data, these are corrected through crowdsourcing. Users can also suggest new features or maps by contacting Tietorahti.

The app provides a wealth of information, including height and weight restrictions, gas stations, rest areas, loading sites, hazardous material restrictions, repair shops, and more. With Tietorahdin kartta, drivers can easily plan their routes and avoid any obstacles or hazards along the way. Overall, this app is a must-have for any driver of heavy vehicles who wants to stay safe and informed on the road.