Having seen hundreds & as a driver passed it off as one of those things, the barriers are ok! but what in high winds? they will be picked up like feathers and cause more chaos, it's a good Idea but not good, the time taken to install these barriers will take time, & that's what they are trying to help, moving the traffic & stop the rubber -neckers, also regards these who dwell on other persons misfortunes, should these motorists cause an other accident by not looking where they going, they should heavily penalised, accidents don't happen on Motorways they are caused by some irresponsible motorists that drive without due care & attention of what they are doing.