http://finchsolis46.jigsy.com/....entries/general/10-U
Why Buy a Category B+ Driving License? You'll need an Class B license in order to drive a vehicle with a trailer that weighs more than 26,000 pounds. It is possible to add an endorsement to the CDL class you already have by passing a new knowledge and skills test. The passing of a test in category C1+E automatically upgrades your licence to include full B+E eligibility (but subject to the weight limit of your train on your B license). This is only applicable to UK drivers. Passenger Endors