Where was Trial on the Road filmed?
Soviet film by Aleksei Yuryevich German, released in 1986
Trial on the Road (1986) was filmed in Bologoye, 1 place named in its Russian Wikipedia’s Съёмки section, in Russia. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Russian Wikipedia's Съёмки section
Russian Wikipedia’s Съёмки section names 1 place. Each links to the sentence that says so.
