Well it is a well known fact that using a police scanner can greatly help you avoid getting tickets for just about any motor violation, and the most important thing any driver should be doing at all times is protecting their Class A or B CDL! The scanner will help you by simply allowing you the opportunity to know where the police are working, way before you ever even get into the area that they are patrolling in. All you need is a Good scanner, And the codes for the police frequency that you want to monitor. Remember State,City & County and in some cases even The Fed's, and last but certainly not least you will need to learn the police call terminology. We have provided links to everything you will need to set this up in very short order. If you are an OTR Driver, it is almost if not completely impossible to store the codes for every law enforcement agency in the whole united states. so the best that you can do is code for the areas where you run most often, like the major interstates. if you work a particular area often, then you can code that into the scanner and get quite a bit of protection. If you have a designated route, run linehaul or work a much smaller area than a mobile police scanner may be perfect for you. Not only does this allow you to know where the police are at all times, it is also the fastest way (other than being there yourself) to find out about accidents, road closures, high speed chases, as they happen, so that you can keep out of harms way. Giving you a very advanced warning in case you need to reroute because of road traffic problems. I10 Trucking.com nor any of its advertising partners, affiliates, Or any other entity on this website endorses the illegal use of any of these products. Please be sure to learn all of the laws regarding the use of police scanners in your area of operation. Good Luck Keeping Your CDL Clean!