Route 321
Route information
Maintained by Nova Scotia Department of Transportation and Infrastructure Renewal
Length	38 km[1] (24 mi)
Major junctions
South end	Trunk 2 in Springhill
Major intersections	Hwy 104 (TCH) / Route 204 in Oxford
North end	Trunk 6 in Port Howe
Location
Country	Canada
Province	Nova Scotia
Counties	Cumberland
Highway system
Provincial highways in Nova Scotia 100-series
← Route 320 → Route 322

Route 321 is a collector road in the Canadian province of Nova Scotia.

It is located in Cumberland County and connects Springhill at Route 2 with Port Howe at Trunk 6.

From Port Howe it travels southward following the eastern banks of River Philip to the town of Oxford. For the first while in the town it is known as Pugwash Road. It then turns to the west and is known as Water Street. Most of Water Street is also Route 204. Near the centre of Oxford the route turns southward and is known as Main Street where it has an interchange with Highway 104 (Trans Canada Highway). From there it travels southward to River Philip where it turns westward and heads to Trunk 2 in Springhill and is known locally as Main Street.

• Springhill (known as Main Street)
• Salt Springs
• Valley Road
• River Philip
• Oxford (known as Water Street, Main Street and Upper Main Street)
• Kolbec
• Rockley
• Riverview
• Port Howe

Major Intersections/Junctions in order from Port Howe to Springhill.

• Murray Road
• Hansford Siding Road
• Hansford Road
• Water Street, Oxford
• Birchwood Road, Oxford (Route 204)
• Upper/Lower Main Street, Oxford (Route 301, and Route 204)
• Black River Road, Oxford
• Highway 104 Exit 6 (Trans Canada Highway).
• Wyvern Road
• Junction Road, Springhill (Route 2)

The section of Collector Highway 321 from Springhill to Oxford was designated as Trunk Highway 4 before the 1960s.

The section of Highway 321 from Oxford to Port Phillip was designated as Trunk Highway 21.

• List of Nova Scotia provincial highways

• Map of Nova Scotia