Conventional wisdom at the time held that steel wheel on steel rail technology had been explored and understood to its fullest. and it was time to move on to more innovative technologies like magnetic levitation and jet-powered hover trains. As a result, the project did not originally receive any government funding. Today, there are three major trunk lines radiating out of Paris, the most recent one being the nord Europe line. opened in 1993 and connects Paris to Lille, Belgium, the Netherlands, Germany, and Britain through the channel tunnelConventional wisdom at the time held that steel wheel on steel rail technology had been explored and understood to its fullest, and it was time to move on to more innovative technologies like magnetic levitation and jet-powered hover trains. As a result, the project did not originally receive any government funding. Today, there are three major trunk lines radiating out of Paris, the most recent one being the Nord￾Europe line, opened in 1993 and connects Paris to Lille, Belgium, the Netherlands, Germany, and Britain through the Channel tunnel