Depending on the company, you may be able to bring your animal friends along with you on the road. Every company will have a different policy, and will probably require refundable or non-refundable deposits and fees, as well as restrictions on the type and number of pets allowed.
Keep in mind that during CDL school, and company training, you will normally not be able to bring your pets along, so other arrangements would have to be made. Also depending on the company and the type of freight, customers may not allow pets on the premises, or may require that they remain in the truck at all times.
Forum - Can truck drivers bring pets on the road?
Companies go hot and cold about pets. I personally think that pets are a good thing in a truck. They get the driver out of the seat, and walking around about every 2 hours. but companies are looking at the damage that pets can do to a truck.
Wiki - Tips For Trucking With Your Pets
Most companies will require you to provide, and keep with you, current health and vaccination records for your pet. Most states will also specifically require having proof of up-to-date rabies vaccinations. Preventative medication for heart-worm and other parasites is highly recommended.
Forum - Are Pets Allowed in Trucking?
I've seen where a lot of companies allow dogs up to a certain weight, and even some cats. I'm guessing that the pet restrictions are because of possible wear and tear to the interior of the truck cab. So my question is what the likelihood would be for me to take a pet rat with me?
Wiki - List Of Trucking Companies That Allow Pets
As trucking companies are constantly changing their policies on allowing drivers to bring animals on the road, and policies vary wildly from company-to-company, it is very important that drivers double-check with the companies themselves.