List of highways numbered 674

Canada

• Alberta [Highway 674]
• Saskatchewan Highway 674

England

• A [roads in Zone 6 of the Great Britain numbering scheme|A674] Chorley to Blackburn

Philippines

• N674 [highway (Philippines)]

United States

• Virginia:
• * Virginia [State Route 674 (Fairfax County)]
• * Virginia State [Route 674 (Prince William County)]