Unmodified cars (right out of showroom) compete in Car and Driver magazine's Stock Car Challenge race, Lime Rock, Connecticut

Highlights of the annual "Car and driver Showroom Stock Car Challenge." Scenes of Lime Rock Park, a road course auto racing track in Connecticut. A large crowd of spectators and racers gathered in the park. Competitors seen tightening wheel lug nuts and and cleaning car windows. Spectators watch as the racers drive through the race track. These races are partially funded by automobile manufacturers who use unmodified cars for racing and evaluate engineering, performances and safety features of the cars. Race drivers check power plants, transmissions, differentials in driving aspects, suspension system, tires and wheels, braking system, body safety measures, emission control system and bumpers of the cars they buy. Peter Gregg gives a demonstration of safety driving measures. Another famous race driver Bob Bonderant, shares his driving experience with driving safety education. Police, ambulance and fire department send their members to driving schools so that students can improve their driving skills and pursue public driving duties. Civilians attend an automobile show where they are made aware about the latest features like rear view mirror, stronger bumpers and improved suspension. Racing scenes of cars careening, throwing up dirt, spinning 180 degrees, coming up on two wheels, and similar events on the track. Police car demonstrates quick maneuver to avoid road hazard.