The position I've marked here is the southbound side of the Sanford bypass. In short, the markings for this highway are slightly off.

This is the location of the exit marked Southern Pines.

This portion of Highway 1 is a 60 mph zone

Speed limit 60 mph southbound

35 mph limit here, strictly enforced.

Speed limit here now becomes 55 mph

Speed limit increases here from 45 mph to 55 mph, eastbound.

45 mph, eastbound.

Eastbound speed limit comes 45 mph

Eastbound speed limit drops to 35 mph