The effective period of a “single trip” permit shall include a reasonable time in transit plus additional time for anticipated delays due to adverse conditions. Requests to cover return trips on one permit will be approved with the effective duration to allow a reasonable travel time, with two days additional for transfer of load and also additional time for possible inclement weather, up to a maximum total time of 14 days. The permit shall include a full description of all loads hauled within authority of the permit.