Smart traffic lights save St. Petersburg trams 40 million rubles a year
Intersections adjust to tram movement in advance, and one tram was removed from a route
SPb GUP «Gorelektrotrans»
Cinema on Wheels: TrolZa-5265 "Megapolis" Trolleybus Finds New Purpose
SPb GUP "Gorelektrotrans" is looking for a contractor to develop the design