Chao says Indiana’s work on the toll road and South Shore rail line should be viewed as models for the rest of the country.
Construction is pushed back to next week, pending weather.
The money will pay for improvements to roads and bridges along a 70-mile stretch.
Congress encouraged Indiana to apply for a toll road exemption, as lawmakers push for feasibility study on interstates.
The $34 million redevelopment includes plans to rebuild eight of the 10 travel plazas.
The Australian-based company IFM Investors took over control of the Indiana Toll Road on Thursday.
Indiana could become the first state to officially legalize baby boxes, and a veteran might have to leave behind his dog because of city regulations.
Lake and LaPorte counties joined forces and submitted a bid for the remainder of Indiana's Toll Road lease.
The ITRCC says it will take over the bathroom cleaning duties, after complaints from consumers.
The operator of Indiana's toll road filed for bankruptcy - how will this affect motorists? Does Indiana's textbook fees conflict with a free public education?