London Congestion Pricing: An Expensive Success
"The [central London congestion pricing plan's] first day saw a 25% reduction in traffic in central London, partly due to the half-term school holiday... Preliminary figures indicate up to 10,000 drivers did not pay the fee and the mayor said the first congestion charge fines would be landing on doorsteps by the end of the week... In a year, London is expected to make £130m from the charge, including £90m for improving bus services and £4m for creating safe walking routes to schools. "
Thanks to Chris Steins