SARTRE (Safe Road Trains for the Environment) road train is project being tested at Hällered proving ground in Sweden. 3 vehicles are following a lead truck in 90 km/h. The distance between the vehicles is about 6 meters. This photo shows how a road train is created while entering the main track at Hällered Proving Ground.

SARTRE (Safe Road Trains for the Environment) road train is project being tested at Hällered proving ground in Sweden. 3 vehicles are following a lead truck in 90 km/h. The distance between the vehicles is about 6 meters. This photo shows how a road train is created while entering the main track at Hällered Proving Ground.