List of highways numbered 550

The following highways are numbered 550:

Canada

• Alberta Highway 550
• New Brunswick Route 550
• Ontario Highway 550
  • Ontario Highway 550A
  • Ontario Highway 550B
• Quebec Autoroute 550 (unbuilt)

Turkey

• D.550

United States

• US 550
• Route 550
• MD 550
• CR 550
  • 
    CR 550 Spur
• SR 550
• PA 550
• PR-550
• SH 550 (under construction)^{[ clarification needed ]}

Preceded by 549

Lists of highways 550

Succeeded by 551