I'm new to cake decorating and have only made cakes that fit in my Wilton cake carriers. I just purchased the Wilton round and square pan sets and have 2 orders for the large 14' round and 16' square cakes. They obviously won't fit in the carriers. How do you transport them and what size cake boards would I use???
thanks!!
I usually get a board that is 4 inches larger than the cake. Unless that won't fit in the fridge and then not less than two inches. You can go to Lowes or Home Depot to get wood for the boards also. They have rounds that are precut and ready for sale. They only have certain sizes though. Then for the squares I usually go in and they have scrap wood that they will cut to the size you want. It's less than a $1 for that piece.
For transport.. either make sure the car is really clean... or I have a large uhaul box that stays in my car usually and I put the cakes in there. Cut the side down to make it look like a door. Then you open it and slip the cake in. Don't for get the non skid mat either. 
Good luck!
We line the back of an SUV with a vinyl shower curtain from the dollar store. It protects it from dust. We also go a few rolls of the antiskid you put under throw rugs. You can cut it to size and it prevents everything from slipping. Most cakes you will assemble at your location if they are tiered and high.
We also got wood from HomeDepo/Lowes etc. You can get it very cheap! We covered our boards with contact paper so they are easy to clean. Then when you cover the boards with foil it sticks better than directly to the wood. We also go very cheap vinyl (white and yellow) and stapled it to some of the boards. It gives it a very clean look. I'm not crazy about foil.
Good luck!
Totes of all sizes work as long as they are washed well before using and they can be reused unlike boxes. The long short ones for under the bed work for cupcakes, the larger ones for taller cakes. I put the cake on the board on the lid and carefully put the tote over the top (like a cake carrier)
Do you know those rubber matts that look somewhat like a thick net? I don't know what they are called but it is IMPOSSIBLE to slip on them? I am putting those in the back of the car on the floor and just placing the cake on them; it seems that as it turns out well but I'll be sure to PM to let you know how THAT turns out.
For smaller cakes, I usually just put them on a large place or a cake plate or something of the sort and hold it in my hands above my lap; the cake never moves so don't be scared.
I don't know about being the driver and the carrier though. . .I am not yet old enough to even have a permit. . . 
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