(a) No person shall drive any vehicle in either direction over Ahuimanu Road between Ahuimanu Place and Kamehameha Highway when such vehicle, with or without load, weighs in excess of 10 tons.
(b) The foregoing provision shall not apply to an authorized emergency vehicle while the driver is operating such vehicle in the necessary performance of such driver’s duties, nor to a vehicle, the owner or operator of which has obtained from the director of transportation services a permit authorizing the operation of such vehicle over the described road. The director of transportation services shall issue such a permit only when it appears to the director’s satisfaction that an emergency exists necessitating the issuance of such a permit.
(Sec. 15-21.15, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 15, Art. 21, § 15-21.15)