Cambridge Congestion Charge
The Cambridge Congestion Charge, or Sustainable Travel Zone was a scrapped congestion pricing scheme proposed by the Greater Cambridge Partnership that was scheduled for completion in 2027/28. The scheme proposed a £5 minimum daily charge on vehicles entering the city of Cambridge, increased to £10 for vans, and to £50 for heavy goods vehicles and coaches.
Source: Wikipedia — Cambridge Congestion Charge (CC BY-SA 4.0)