- A131 between A130 and A120, Essex (Grid ref TL713142)
- A131 between A130 and A120, Essex (Grid ref TL713142)
- A131 between B1053 and A1017, Essex (Grid ref TL770260)
- A131 between A120 and B1053, Essex (Grid ref TL772250)
- A131 between A1017 and White Horse Avenue, Essex (Grid ref TL784275)
- A131 between White Horse Avenue and A1124, Essex (Grid ref TL808304)
- A131 between A1124 and A1124, Essex (Grid ref TL815307)
- A131 between A1124 and Churchill Avenue, Essex (Grid ref TL817310)
- A131 between Churchill Avenue and Essex boundary, Essex (Grid ref TL843355)
- A131 between Suffolk boundary and Middleton Rd, Suffolk (Grid ref TL861402)
- A131 between Gainsborough Road/Girling Street and A134, Suffolk (Grid ref TL864426)
- A131 between Middleton Rd and A131 Gainsborough St, Suffolk (Grid ref TL868410)
- A131 between Gainsborough Road/Girling Street and Chaucer Rd, Suffolk (Grid ref TL870422)
- A131 between Stour Street and Gainsborough Road/Girling Street, Suffolk (Grid ref TL871415)
- A131 between A131 Gregory Street and A131/B1508 Great Eastern Road, Suffolk (Grid ref TL872412)
- A131 between Gainsborough Road and B1508 Great Eastern Road, Suffolk (Grid ref TL874415)
- A131 between B1508 King Street/Cornard Street and A134 Northern Road Rndbt, Suffolk (Grid ref TL880413)