The freeway is maintained by the Hawaii Department of Transportation (HDOT) and is designated as part of the National Highway System, a network of economically and militarily strategic highways in the U.S. H-2 has a set of high-occupancy vehicle (HOV) lanes between the Waiawa Interchange and Mililani that are active during peak periods on weekdays. Traffic volumes on the highway, measured in terms of annual average daily traffic, ranged in 2020 from a minimum of 36,900 vehicles at its northern terminus to a maximum of 87,900 vehicles at H-1. TheBus, a city-wide bus system, operates several express routes on H-2 between Downtown Honolulu and Wahiawa.
the freeway is maintained by the hawaii department of transportation (hdot) and is designated as part of the national highway system a network of economically and militarily strategic highways in the us h-2 has a set of high-occupancy vehicle (hov) lanes between the waiawa interchange and mililani that are active during peak periods on weekdays traffic volumes on the highway measured in terms of annual average daily traffic ranged in 2020 from a minimum of 36900 vehicles at its northern terminus to a maximum of 87900 vehicles at h-1 thebus a city-wide bus system operates several express routes on h-2 between downtown honolulu and wahiawa