The prefectural sound classification decree defines the width of the sectors affected by noise, depending on the classification of the railway or road.
Tracks are classified into 5 categories (1 being considered the noisest sum, and 5 least noisy).
The noise-affected sector derives from this classification, within which building rules apply.
Build on reliable and scalable technology
FAQ
Frequently Asked Questions
Some basic informations about API Store ®.
Operation and development of APIs are currently fully funded by company Apitalks and its usage is for free.
Yes, you can.
All important information such as time of last update, license and other information are in response of each API call.
In case of major update that would not be compatible with previous version of API, we keep for 30 days both versions so you will have enough time to transfer to new version. We will inform you about the changes in advance by e-mail.