Nightly News | October 24, 2012
>>> in texas today, workers moved barricades that opened the way for a new section of highway, a privately built toll way that will be expensive to travel, but if you have a need for speed that could be it. it is the fastest road in the nation, but critics say it could come at a price. here is nbc, janet shamlian .
>> reporter: pedal to the metal , and it is legal.
>> one, two, three.
>> reporter: the nation's fastest road opened in texas late today, with a speed limit of 85 miles an hour.
>> it is texas , i don't see anything wrong with it. i mean, it's a safe road.
>> reporter: the 41 mile stretch of toll road runs between austin and san antonio , essentially the same road as bottlenecked interstate 35 . built with private money, the speed limit was part of a deal. the developer, which wants as many users as possible which collects the tolls, paid texas an extra $100 million for setting the limit at 85.
>> i think the future holds more toll roads , whether they're privately developed or publicly developed, because we need to get the passengers out of the traffic.
>> reporter: but it is more dangerou dangerous. accidents are dropping, but critics say speed kills.
>> it increases the number of crashes and serious injuries in the crashes and the number of death.
>> reporter: there is also concern whether or not drivers will actually obey the higher limit and not consider it nearly a guideline.
>> if it is 85, they will do 15-20 over, and stuff, the way they drive out here.
>> reporter: the autobahn concept could get them looking for new ways to pay for it. this doesn't come cheap, the toll is six dollars, one way. janet shamlian , mustang road, texas .