https://click4r.com/posts/g/18....975250/what-buy-a-ca
Why Buy a Category B+ Driving License? If you are required to drive a vehicle and trailer that weighs over 26,000 pounds, you'll require a class B license. It is possible to add an endorsement the CDL class you already have by taking a new understanding and skills test. The passing of an exam in the category C1+E will allow you to upgrade your licence to include full B+E eligibility. (Subject to the weight limit of your B licence.) This is only available to UK drivers. Passenger Endorse