Two passengers escaped serious injury when their vehicles were involved in a head-on collision on Rock Island Road on Saturday afternoon. The wreck occurred at approximately 2:30 p.m.Jeffrey Locke, 39, of Rock Island, was heading northbound in a 1997 Nissan pickup on Rock Island Road, or State Route 136, when he failed to negotiate a curve and collided with a 1999 Lexus SUV, according to Tennessee Highway patrolman Rodney Whiles. The Lexus was being driven by Kenna Taylor, 16, also of Rock Island.