Facts

- The Swiss Touring Club (TCS) and its regional section of Surselva have appealed against the decision of the Administrative Court of the Canton of Grisons to authorise the municipality of Sumvitg to integrate the main road H19 into a 30 km/h zone. - The municipality of Sumvitg had initially requested the introduction of a 30 km/h zone throughout its territory, but the competent cantonal department had only authorised this measure with the exception of the main road H19. - After an appeal by several residents, the Administrative Court ultimately authorised the integration of the main road H19 into the 30 km/h zone.

Considerations

- According to the FSCA, the integration of a section of a main road into a 30 km/h zone is only possible on an exceptional basis, when the particular local conditions justify it (Art. 2a para. 6 RTA). - In this case, the section of the main road passing through the centre of the village of Sumvitg is surrounded on both sides by the 30 km/h zone, which fulfils these particular conditions. - The Administrative Court was therefore authorised to order this integration, despite the opposition of the competent…