Union Street in Dubuque County, Iowa

Union Street in Dubuque County is a two-lane, asphalted secondary road (also known as Washington Mills Road;300th Street). It runs in an east-west direction and ends in a cul-de-sac. Union Street is also known as Washington Mills Road.

Alternate Name
Washington Mills Road;300th Street
Road Type
secondary road
Lanes
2
Route
east-west