Question juridique clé
Whether the Federal Court could hear the administrative law appeal against the cantonal judgment.
Solution extraite
The appeal was admissible because the dispute concerned a federal roadside advertising permit and the cantonal rules were sufficiently connected to federal traffic law.
Motifs extraits
The decision was based on or should have been based on federal law within Art. 97 ff. OG and Art. 5 VwVG; the appellant was entitled to appeal.