What does JCT mean on an oversize permit?

Junction. Where two roads meet: JCT US-56 is the junction with US 56.

Also printed as JUNCTION.

On real permits

PrintedMeansState
JCT BRICK STORE LANDING RD / PADDOCK RDThe junction of two roads, used as a start or end point when there is no street addressDelaware

Decode a whole route line