7. Texas State Highway 130
Cost per mile: 14.6 cents
Texas State Highway 130 is 41 miles long, connecting Austin and San Antonio. This road has the highest speed limit in the United States. The speed comes at a cost, though.
Cost per mile: 14.6 cents
Texas State Highway 130 is 41 miles long, connecting Austin and San Antonio. This road has the highest speed limit in the United States. The speed comes at a cost, though.
