HDOT does not permit long-term parking along any of its high-speed facilities. The only other roads in the State of Hawai‘i with the same speed limit as Daniel K. Inouye Highway (formerly Saddle Road) are the H-1 Freeway between Kapolei and Kunia and the H-3 Freeway between Halawa and the Harano Tunnels, both on O‘ahu.
Mauna Kea Access Road is under the control and jurisdiction of DOT. Pursuant to HRS § 26-19 and HRS Ch. 264, HDOT has control and jurisdiction over all state highways and Mauna Kea Access Road is designated to DOT’s State Highway System as Route 210. This includes any portions of the road that cross over DHHL land.