The images were all made during the evening peak rush hour over the course of three winters. They capture a small snapshot of the 5 million bus journeys made in the capital city every day. Madden would spend the mornings on the radio for the BBC and then journey into Central London whenever it rained or if it was freezing cold late in the day. The bad weather would lead to condensation on the bus windows-familiar to many Londoners-and create the abstract scenes Madden wished to photograph.
