110 is closer to what the actual highway speed limits are. Usually 105-112. But that's different than the speed of traffic on that highway, which may range betw

110 is closer to what the actual highway speed limits are. Usually 105-112. But that's different than the speed of traffic on that highway, which may range between 40 and 125, depending on traffic levels, time of day, and such. I live in southern California, which has its own particular brand of insanity, when it comes to the roads.