INDIANAPOLIS, Friday, May 12, 2017 – Information about the INDYCAR Grand Prix on Saturday, May 13 at the Indianapolis Motor Speedway. SCHEDULE (All times local) 7 a.m.-3:30 p.m.: Ticket Office Open, IMS Credential Office Open 7:30 a.m.-7 p.m.: Public Gates Open 7:30 a.m.-3:30 p.m.: IMS Kids Zone Open, IMS Midway Open 8:05 a.m.: Pro Mazda…