Hyperloop isn't the only transportation idea out there

By Thom Patterson, CNNUpdated 13th August 2013
Brian Todd reports on what safety experts say about high-speed rail: how fast is too fast?
CNN's Drew Griffin investigates plans to build a high-speed rail with billions of tax dollars pledged and no results.
CNN's Drew Griffin reports on Vermont getting high-speed rail money from taxpayers for a low-speed train.
After billions of federal stimulus dollars pledged to build a new rail line, the project is plagued with problems.