In the early 1960s, the Bureau of Public Roads considered the construction of an experimental electronically controlled highway. Four states - Ohio, Massachusetts, New York and California - were bidding for the construction.[29] In August 1961, Popular Science reported on the Aeromobile 35B, an air-cushion vehicle (ACV) that was invented by William Bertelsen and was envisioned to revolutionise the transportation
In the early 1960s, the Bureau of Public Roads considered the construction of an experimental electronically controlled highway. Four states - Ohio, Massachusetts, New York and California - were bidding for the construction.[29] In August 1961, Popular Science reported on the Aeromobile 35B, an air-cushion vehicle (ACV) that was invented by William Bertelsen and was envisioned to revolutionise the transportation