Route 18, also known as Cape Bear Road, is a 23.9 kilometres (14.9 mi), two-lane, uncontrolled-access, secondary highway in eastern Prince Edward Island. Its southern terminus is at Route 4 in High Bank and its northern terminus is at Route 4 in Murray River. The route is entirely in Kings County.

Quick Facts Route 18, Route information ...

Route 18
Cape Bear Road
Route information
Maintained by the Department of Transportation, Infrastructure, and Energy
Length	23.9 km[1] (14.9 mi)
Major junctions
South end	Route 4 in High Bank
Major intersections	Route 18A in Guernsey Cove Route 18A in Murray Harbour
North end	Route 4 in Murray River
Location
Country	Canada
Province	Prince Edward Island
Counties	Kings
Highway system
Provincial highways in Prince Edward Island
← Route 17 → Route 19

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The route begins at its southern terminus and goes west to Guernsey Cove, where it turns right and continues northwest. The route turns left and then curves left in Beach Point to head southwest to a right turn in Murray Harbour. The route then goes west to its northern terminus.

Route 18A, also known as Robertson Road, is the suffixed route of Route 18. It is 2.9 kilometres (1.8 mi) long and runs between Guernsey Cove and Murray Harbour. The route has no major intersections except for its terminuses with Route 18.