- A674 between A6 and Maple Grove, Lancashire (Grid ref SD584193)
- A674 between Maple Grove and M61, Lancashire (Grid ref SD585194)
- A674 between M61 and B6229, Lancashire (Grid ref SD592200)
- A674 between B6229 and M65/A675, Lancashire (Grid ref SD610223)
- A674 between M65/A675 and A6061, Lancashire (Grid ref SD633250)
- A674 between A6061 and Lancashire boundary, Lancashire (Grid ref SD638252)
- A674 between Blackburn with Darwen boundary and A6062, Blackburn with Darwen (Grid ref SD641253)
- A674 between A6062 and A674 Freckleton St/King St, Blackburn with Darwen (Grid ref SD650258)
- A674 between Freckleton St and Darwen St, Blackburn with Darwen (Grid ref SD680279)
- A674 between King St and Darwen St, Blackburn with Darwen (Grid ref SD681278)
- A674 between A666 and A677, Blackburn with Darwen (Grid ref SD686281)