The speed limit for passenger cars on highways numbered by this state or the united states is

#1) The speed limit for passenger cars on highways numbered by this state or the united states is
The answer is 70 mph. Rural interstate highways are located outside urban areas with a population of at least 50,000 people. The following speed limit rules apply in these areas: Passenger vehicles may not exceed 70 miles per hour or the posted speed limit, Trucks that have a declared gross vehicle weight greater than 26,000 pounds may not exceed 65 miles per hour or the posted speed limit On a rural state divided highway, vehicles may not exceed 60 miles per hour or the posted speed limit.