Unfortunately, it won’t be ready for the Olympics, but Ford reckons it can offer a car that automatically drives itself in traffic jams by 2017 – and the company says that will dramatically cut delays.Ford says that studies have found that where 25 percent of vehicles on a stretch of road are equipped to automatically follow the traffic ahead, journey times can be reduced by 37.5 percent and delays reduced by 20 percent. Apparently, we get so bored and frustrated that we lose concentration and miss opportunities to keep up with the car in front.