Iowa State Route 1 runs in Southeastern Keokuk County. It runs briefly between the Jefferson/Keokuk County Line, near Richland, to the Jefferson/Washington County Line, near Richland. IA St Rt 1 does not pass through any towns in Keokuk County. IA St Rt 1 is multi-plexed in Keokuk County. Iowa State Route 78, near Richland.
IA St Rt 1 intersects the following highway in Keokuk County. Iowa State Route 78, near Richland.
NB IA St Rt 1 at the Jefferson/Keokuk County Line. NB IA St Rt 1 south of east IA St Rt 78.
