Red sports cars, © lenka - Fotolia.com; Police officer writing a ticket, © Lisa F. Young - Fotolia.com; Flags, © FreeSoulProduction - Fotolia.com; Green Traffic Light, Thinkstock; Red Traffic Light, Thinkstock; Wrench, Thinkstock; Green highway sign isolated, Thinkstock; Speed limit road sign with post and different numbers, © Thomaspajot/Dreamstime.com; Red flashing light on a white background, © Fotovika/Dreamstime.com; Trophy, Comstock/Thinkstock; Falling money, istockphoto/Thinkstock; Vector design set of racing flags, freesoulproduction/Shutterstock.