from the southern terminus northward it is paved with full design bituminous pavement, the next is paved with partial design bituminous pavement and the final is paved with full design bituminous pavement. k-141 is not included in the national highway system. the national highway system is a system of highways important to the nation's defense, economy, and mobility. 2017 annual average daily traffic (aadt) on k-141 ranged from 455 near the intersection of avenue m to 520 slightly north of the southern terminus.