- A428 between A4600 and A444, Coventry (Grid ref SP348789)
- A428 between A444 and A4082, Coventry (Grid ref SP355788)
- A428 between A4082 and B4082, Coventry (Grid ref SP370785)
- A428 between B4082 and A46, Coventry (Grid ref SP381780)
- A428 between A46(T) and Avondale Road, Warwickshire (Grid ref SP395775)
- A428 between Avondale Road and B4455, Warwickshire (Grid ref SP429769)
- A428 between B4455 and Parkfield Rd, Rugby, Warwickshire (Grid ref SP450761)
- A428 between Parkfield Rd and A426/A4071, Warwickshire (Grid ref SP495751)
- A428 between A426 and B4038 Kilsby Lane, Warwickshire (Grid ref SP520741)
- A428 between B4038 Kilsby Lane and Warwickshire boundary, Warwickshire (Grid ref SP550734)
- A428 between Northamptonshire boundary and A5, Northamptonshire (Grid ref SP563731)
- A428 between A5(T) and A5(T), Northamptonshire (Grid ref SP569729)
- A428 between M1 and Quarry Rd, New Duston, Northamptonshire (Grid ref SP699650)
- A428 between Quarry Road, New Duston and A45, Northamptonshire (Grid ref SP725623)
- A428 between A45 and A5095, Northamptonshire (Grid ref SP742609)
- A428 between A45 and A45/A5123, Northamptonshire (Grid ref SP744603)
- A428 between A5095 and A5123/A508, Northamptonshire (Grid ref SP750610)
- A428 between A5123 and A4501, Northamptonshire (Grid ref SP764599)
- A428 between A4501 and A45, Northamptonshire (Grid ref SP770598)
- A428 between A5095 and A428(T), Northamptonshire (Grid ref SP780595)
- A428 between A428 principal and Northamptonshire boundary, Northamptonshire (Grid ref SP843576)
- A428 between Milton Keynes boundary and A509, Milton Keynes (Grid ref SP890553)
- A428 between A509 and Milton Keynes boundary, Milton Keynes (Grid ref SP900547)
- A428 between LA Boundary and A422, Bedford (Grid ref SP993509)
- A428 between A422 and A5134, Bedford (Grid ref TL000500)
- A428 between A5134 and A428, Bedford (Grid ref TL009503)
- A428 between A5134 and Deep Spinney, Great Denham, Bedford (Grid ref TL015504)
- A428 between A428 and Deep Spinney, Great Denham, Bedford (Grid ref TL015504)
- A428 between A421 and A6, Bedford (Grid ref TL015486)
- A428 between Deep Spinney, Great Denham and A5141, Bedford (Grid ref TL040500)
- A428 between A5141 and A6, Bedford (Grid ref TL042501)
- A428 between A6 and Harpur St, Bedford (Grid ref TL047500)
- A428 between Dame Alice Street and Tavistock Street, Bedford (Grid ref TL048501)
- A428 between Harpur St and High St, Bedford (Grid ref TL049500)
- A428 between A6 and Kimbolton Rd roundabout, Bedford (Grid ref TL050500)
- A428 between Kimbolton Rd roundabout and A5140, Bedford (Grid ref TL060502)
- A428 between A5140 and Norse Rd, Bedford (Grid ref TL075505)
- A428 between Norse Rd and A421, Bedford (Grid ref TL100513)
- A428 between A1 main route and A1 spur, Bedford (Grid ref TL168578)
- A428 between A1 spur and LA boundary, Bedford (Grid ref TL182581)
- A428 between LA boundary and B1040, Cambridgeshire (Grid ref TL200590)
- A428 between B1040 and B1040, Cambridgeshire (Grid ref TL270599)
- A428 between B1040 and A1198, Cambridgeshire (Grid ref TL280604)
- A428 between A1198 and A428 spur, Cambridgeshire (Grid ref TL300606)
- A428 between A1198 and A428 spur, Cambridgeshire (Grid ref TL314603)
- A428 between Scotland Road and A428, Cambridgeshire (Grid ref TL368598)
- A428 between Scotland Road and A428, Cambridgeshire (Grid ref TL368599)
- A428 between A428 main route and A1303, Cambridgeshire (Grid ref TL393595)
- A428 between A428 spur and A14 / M11, Cambridgeshire (Grid ref TL400601)