I havent found those yet, but also, what about this stuff????
NRS 490.110 Authorized and unauthorized operation on highway.
1. Except as otherwise provided in subsection 2, if an off-highway vehicle meets the requirements of this chapter and the operator holds a valid driver’s license and operates the off-highway vehicle in accordance with the requirements of those sections, the off-highway vehicle may be operated on a highway in accordance with NRS 490.090 to 490.130, inclusive.
2. An off-highway vehicle may not be operated pursuant to this section:
(a) On an interstate highway;
---> (B) On a paved highway in this State for more than 2 miles; or
© Unless the highway is specifically designated for use by off-highway vehicles in a city whose population is 100,000 or more.
(Added to NRS by 2005, 2028)
NRS 490.120 Required equipment for operation on highway. In addition to the requirements set forth in NRS 490.070, a person shall not operate an off-highway vehicle on a highway pursuant to NRS 490.090 to 490.130, inclusive, unless the off-highway vehicle has:
1. At least one headlamp that illuminates objects at least 500 feet ahead of the vehicle;
2. At least one tail lamp that is visible from at least 500 feet behind the vehicle;
3. At least one red reflector on the rear of the vehicle, unless the tail lamp is red and reflective;
4. A stop lamp on the rear of the vehicle; and
5. A muffler which is in working order and which is in constant operation when the vehicle is running.
(Added to NRS by 2005, 2028)
NRS 490.130 Duties of operator when operating vehicle on highway. The operator of an off-highway vehicle that is being driven on a highway in this State in accordance with NRS 490.090 to 490.130, inclusive, shall:
1. Comply with all traffic laws of this State;
2. Ensure that the certificate of operation for the off-highway vehicle is attached to the vehicle in accordance with NRS 490.080; and
3. Wear a helmet.
(Added to NRS by 2005, 2028)
I also just looked at the AZ dept. of M.V and fish and wildlife. For an ATV to be registered to operate on highways, it has to have the same as NRS 490.120..................and for a 4 wheeler, you have to have a "D" endorsement or class license.