Jack Opiola casts an eye over the numerous road user charging pilots underway in the US. In the USA, congestion mitigation and improving mobility have often focused on network improvements, increased road capacity, improved public transport, high-occupancy toll (HOT) lanes or ‘express lanes’ and ITS measures – all of which require political capital and major funding. Nowadays, political capital is as hard to obtain as funding because more political leaders are recognising the decline of fuel excise tax