Welcome to Holiday Inn Express® in Troy, IL Hotel! Our Troy, IL hotel is conveniently located at I-70 and I-55 just off exit 18 and only 19.8 miles northeast of downtown St. Louis.nBusiness travelers will appreciate our hotel location near major companies such as Southern Illinois University, Conoco Phillips, US Steel and Yazaki. Staying at Holiday Inn Express Troy will make it easier to visit popular area attractions like Cahokia Mounds State Site, World Wide Technology Raceway, Anhueser Busch Brewery, St. Louis Gateway Arch, St Louis Zoo, Splash City and Fairmont Horse Track.nWe take pride in providing clean comfortable lodging...