How about using 3/4" poly cutting board instead of plywood?
http://www.webstaurantstore.com/18-x-24-x-3-4-poly-white-cutting-board/20318241.html
Where do you get the rubber mat?
You could Flex steel for the bottom for road proofing.
http://www.walmart.com/ip/As-Seen-on-TV-Flex-Seal/20850472
http://www.webstaurantstore.com/18-x-24-x-3-4-poly-white-cutting-board/20318241.html
Where do you get the rubber mat?
You could Flex steel for the bottom for road proofing.
http://www.walmart.com/ip/As-Seen-on-TV-Flex-Seal/20850472