Fire trucks, police cars, bulldozers, backhoes and more will roll into Friendship Park at the corner of Baldwin and Clarkston roads from 5-9 p.m. on Aug. 7 for the Orion Township Parks and Recreation Departmentu2019s annual Big Rig Gig. Children will have the chance to climb on, and through, the rigs, honk the horns and talk to police officers, firefighters, paramedics, road commission workers and school bus drivers. Admission and parking are free.