Explore details about location Siltakatu. Siltakatu is a location situated within the Riihimäki alongside other areas such as Kauppakuja, Hj. Elomaan katu, Eteläinen Asemakatu. Additionally, some smaller parts of Siltakatu include specific areas like Arolammintie, Hj. Elomaan katu adding to the diversity of its landscape.