Truck 5: Busiest Ladder in PG County FirehouseŽ Magazine's 2001 National Run Survey lists Prince George's County Truck Company 5 as busiest ladder in the county and the 104th busiest ladder in the United States. The 2001 National Run Survey is located on pages 126-143 in the June issue of FirehouseŽ Magazine. Take a look at this year's stats here.