When channelled back into the road sector, revenue from road charging is seen by many as a source of additional investment and research funds as Patrick Smith reports. Late in 2010, three major European organisations put out a policy statement calling for fair charging for greener, smarter and safer road infrastructure. ASECAP (the European toll road operators organisation); ERF (European Road Federation) and the IRU (International Road Transport Union), said that in recent years the concept of road chargin