Maine State Route 3 is an east-west highway in East-Central Maine. It runs in Hancock County from the Waldo/Hancock County Line, near Prospect, to Maine State Route 102/198, at Mount Desert. ME St Rt 3 passes through the following towns in Hancock County. Bucksport Orland Ellsworth Trenton Bar Harbor Mount Desert ME St Rt 3 is multi-plexed in Hancock County. Maine State Route 15, from Bucksport to Orland. Maine State Route 198, at Mount Desert. ME St Rt 3 intersects the following highways in Hancock County. Maine State Route 15, at Bucksport. Maine State Route 46, at Orland. Maine State Route 175, at Orland. Maine State Route 15, at Orland. Maine State Route 176, at Orland. Maine State Route 172, at Ellsworth. Maine State Rout 230, at Ellsworth. U.S. Rt. 1A, at Ellsworth. U.S. Rt. 1, at Ellsworth.
