Speed Reduction Zone News Today

Costello who covers transportation for us and joins me now. tom, weve got the technology. it can save lives. why isnt it there? >> there are a number of reasons. first of all, this is like automatic braking in your car. if you get too close to the car in front of you, the computer slams on the brakes. with transponders buried in the tracks, and then youve got computers guiding and watching every position of every train so when it goes into a speed reduction zone it slows down. if it doesnt, it s...