With ample preparation under the belt, schedule an appointment at your local Department of automobiles (DMV) or licensing office to take their written knowledge test. Remember to bring the necessary documents, such as identification, proof of residence, and any kind of needed healthcare cards or certifications.Do you own dreams of driving big rigs or buses? Unlock your driving potential by obtaining your Class B driver's license. Whether you're considering a career in trucking or transportation, this license will open doorways towards various possibilities. Here's helpful tips on how to successfully purchase a Class B driver's license.