The IndyCar Series’ highly anticipated debut on the Streets of Markham has hit a significant bump in the road. Preparations for the inaugural Ontario Honda Grand Prix of Markham remained incomplete on Friday, forcing officials to hold the opening track sessions.<br>UPDATE: IndyCar practice 1 is now scheduled from 6-7:30pm ET. It will air live on Fox Sports 1 (FS1) in the U.S.<br>Unfinished ...<a class='more' href='https://www.motorsport.com/indycar/news/markham-indycar-debut-delayed-by-unfinished-track-construction/10846396/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>