Route 403
Route information
Maintained by Newfoundland and Labrador Department of Transportation and Infrastructure
Length	21.3 km (13.2 mi)
Major junctions
South end	Dead End in Journois
North end	Route 1 (TCH) near St. George's
Location
Country	Canada
Province	Newfoundland and Labrador
Highway system
Highways in Newfoundland and Labrador
← Route 402 → Route 404

Route 403 is a minor highway in the western region of Newfoundland in the Canadian province of Newfoundland and Labrador. The highway begins at a junction with the Trans-Canada Highway (Route 1) ^[1] and continues to its northern terminus, the community of Journois.

Route 403 begins at an intersection with Route 1 (Trans-Canada Highway) along the banks of Flat Bay Brook. It heads west paralleling the brook to pass through Joyce, where it makes a sharp right turn to the north to enter Flat Bay, where it makes a left turn as it passes through town. The highway now heads southwest along the coastline to pass through Flat Bay West and St. Teresa before coming to a dead end in Journois.

Location	km	mi	Destinations	Notes
​	0.0	0.0	Route 1 (TCH) – Corner Brook, Port aux Basques	Southern terminus
Journois	21.3	13.2	Dead End	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi