How do you turn the streets of DC into an INDYCAR track? Transportation Secretary @​SecDuffy shows how crews smoothed road bumps and shaved down pavement aroun

How do you turn the streets of DC into an INDYCAR track? Transportation Secretary @​SecDuffy shows how crews smoothed road bumps and shaved down pavement around manhole covers to get the nation’s capital ready for high-speed racing. Duffy also played a key role in getting the race across the finis…