Everyone remembers their first trip on Glasgow’s Subway; bracing yourself for the rush of wind as the train pulls into the station, ducking your head to squeeze inside the car, sinking into the pre-modernisation brown geometric-upholstered seats.
Known affectionately as the Clockwork Orange by generations of Glaswegians, the inner and outer circles have linked the city centre and the west end with the south bank of the Clyde since 1896.
Soon, the world’s third-oldest underground railway could become part of a wider Clyde Metro, which aims to fill in gaps left by buses, trains, and the subway, with options including trams, light rail, or other rapid-transit systems.