Maine State Route 189
|Maintained by MaineDOT|
|Length:||11.19 mi (18.01 km)|
|Existed:||1962 (current alignment) – present|
|West end:||US 1 in Whiting|
|SR 191 in Lubec|
|East end:|| Route 774 on Campobello Island, NB
State Route 189 is a numbered state highway in Maine, running from U.S. Route 1 in Whiting in the west to the Canadian border at Lubec in the east. In Lubec the route crosses the Franklin Delano Roosevelt Bridge onto Campobello Island, New Brunswick. SR 189 runs a total of 11.19 miles (18.01 km).
SR 189 begins its eastward trek with its intersection with US 1 in Whiting. From the junction, the route generally follows a northeasterly course through Trescott and West Lubec prior to reaching its eastern terminus at the Franklin Delano Roosevelt Bridge. Via the bridge, SR 189 crosses Johnson Bay into New Brunswick and continues as New Brunswick Route 774.