A Park City man bicycling in Utah County was killed about 10 a.m. Saturday when his group of riders stopped, causing him to crash into another rider and fall into the path of a Dodge pickup. The group of seven friends, among them 49-year-old William Corliss, was riding bicycles in tandem on the narrow southbound shoulder of State Road 68, about 2 miles south of State Road 73 in Saratoga Springs, said Utah County sheriff's Lt. Yvette Rice. Because of gravel on the shoulder, the lead riders slowed almost to a stop at mile marker 30.5. Corliss was farther back in the line. As he tried to slow down, he ran into the back tire of the bicycle immediately in front of him, causing him to fall into the southbound lane. A Dodge pick-up towing a large trailer with cement forms struck Corliss, killing him on impact, Rice said. Though he was wearing a bike helmet, Corliss reportedly suffered severe head trauma as a result of the accident. The accident remains under investigation, Rice said, though Corliss' death does not appear to be "suspicious in nature." - Lisa Rosetta