Many of the business stakeholders who met Thursday in Indianapolis say Indiana’s plans for road repairs should stand as a national, multi-modal example.
Under the plan, a resident making $50,000 a year in taxable income will pay an extra $125 in income tax.
The five-year plan is worth more than $1.1 billion.
Test vehicles will be crossing the East End, Kennedy and Lincoln bridges, as well as crossing under a gantry in Jeffersonville.
The university's School of Public and Environmental Affairs took a look at the popularity of mileage user fees as half the states consider them.
Authors of a recent study from the Indiana Business Research Center say the reports shows more investment in job training would go a long way.
Environmentalists have fought the 47-mile tollway plan, arguing it would threaten the Midewin National Tallgrass Prairie south of Chicago.
More than 60 rural communities around Indiana are sharing nearly $80 million in federal funding for road and bridge improvements and other projects.
And an idea promoted by a Purdue expert testifying before the panel provoked debate among its members: the value of vehicle miles traveled, or VMT, fees.
Bloomington's mayor says at least one subcontractor walked off the job Friday because of an ongoing pay dispute.