Because there is such a diverse group of people handling food for the nation, it is critical that excellent communication prevail throughout the cold chain. If there are any special handling instructions, they must be given to each and every driver or handler every single time. A 3PL must understand the challenges a shipper has to bring their product to market. Only then can they be an effective partner to manage the process. Bring in your transportation companies to learn about your product and have regular meetings to keep everyone on the same page. The more your transportation vendors understand what you go through to produce the product, the harder they will work to insure proper transportation by this wonderful and diverse transportation system.