(a) The maximum speed limits posted under § 27-51-201 shall apply to all vehicles using the facility except authorized emergency vehicles on emergency trips, such as police vehicles on duty, fire vehicles on calls, and ambulances; oversize/overweight vehicles moving under special permit issued by the Arkansas Department of Transportation or its lawfully delegated agents; and other specific vehicles for which special limits may be posted in particular situations or under particular conditions.
(b) This exemption shall not relieve any driver of an authorized emergency vehicle from his or her lawful responsibility to drive with due regard for the safety of all persons upon or using the highway facility, nor shall it protect the operator of any such vehicle from the consequence of a reckless disregard for the safety of others.