The driver does not need to put his/her foot on the accelerator or brakes. Toyota has opened testing of its truck platooning technology on a motorway proving ground . Working on 7.7 km of the Yeoju Smart Highway in Seoul at 60 km / h , the trial used two trailer - equipped Xcient trucks with automated driving support systems to assess the technology 's response to cut - in and cut - out by other vehicles , simultaneous emergency braking and vehicle - to - vehicle communication . The real time simulation saw the company evaluating the platooning , which allows a following truck to maintain distance behind the lead vehicle and autonomously respond to speed changes by the leading truck 's driver .
Toyota has opened testing of its truck platooning technology on a motorway proving ground . Working on 7.7 km of the Yeoju Smart Highway in Seoul at 60 km / h , the trial used two trailer - equipped Xcient trucks with automated driving support systems to assess the technology 's response to cut - in and cut - out by other vehicles , simultaneous emergency braking and vehicle - to - vehicle communication . The real time simulation saw the company evaluating the platooning , which allows a following truck to maintain distance behind the lead vehicle and autonomously respond to speed changes by the leading truck 's driver .