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

Speed limit here drops from 55 mph to 35 mph, eastbound.

Eastbound speed limit drops here to 35 mph

Eastbound speed limit increases here again 255 miles per

I'm not sure how this would be noted, but at this location there is full stop sign

Speed limit here is 45 mph.

55 mph limit, southbound.

Begin 55 mile per hour speed limit here

There is a stoplight here for traffic on or merging onto 421

60 mph westbound on 421. Another speed limit sign here.