Bishop’s Stortford
- Bishop's Stortford › A120 › A10 › Hertford › A414 › A6129 › Welwyn Garden City
- Bishop's Stortford › M11 › Harlow › A414 › A6129 › Welwyn Garden City
Codicote
- Codicote › B656 › B197 › Welwyn Garden City
Datchworth
- Datchworth › Mardley Hill › B197 › Welwyn Garden City
Harlow
- Harlow › A414 › A10 › Hertford › A414 › Hatfield › A6129 › Welwyn Garden City
Harpenden
- Harpenden › Lower Luton Road (B653) › Stanborough › A6129 › Welwyn Garden City
Hatfield
- Comet Way (A1001) › A6129 › Welwyn Garden CIty
- St. Albans Road East › A1000 › Stanborough Road (A6129) › Parkway (Welwyn Garden City)
Hemel Hempstead
- Hemel Hempstead › A414 › Hatfield › A1(M) › A6129 › Welwyn Garden CIty
- Hemel Hempstead › A4147 › St. Albans › Birchwood Drive › A1081 › Sandpit Lane › Coopers Green Lane › Stanborough › A6129 › Welwyn Garden CIty
Hertford
- Hertford › A414 › Hatfield › A6129 › Welwyn Garden City
Hitchin
- Hithcin › A602 › Stevenage › A1(M) › A6129 › Welwyn Garden City
- Hitchin › B656 › Welwyn › B197 › Welwyn Garden City
Lemsford
- Lemsford › Valley Road › Welwyn Garden City
Letchworth
- Letchworth › A1(M) › A6129 › Welwyn Garden City
- Letchworth › A505 › Hitchin › B656 › Welwyn › B197 › Welwyn Garden City
Luton
- Luton › B653 › Stanbroough › A6129 › Welwyn Garden City
- Luton › M1 › A414 › Hatfield › A1(M) › A6129 › Welwyn Garden City
Potters Bar
- Potters Bar › A1000 › Stanborough Raod (A6129) › Parkway (Welwyn Garden City)
- Potters Bar › A1000 › B197 › Hatfield › Wellfield Road › A1001 › A6129 › Welwyn Garden City
- Potters Bar › M25 › A1(M) › Hatfield › A6129 › Welwyn Garden City
St. Albans
- St. Albans › Sandpit Lane › Coopers Green Lane › Stanborough › A6129 › Welwyn Garden City
- St. Albans › A1057 › Hatfield › A1001 › A6129 › Welwyn Garden City
- St. Albans › A1081 › A414 › Hatfield › A1(M) › A6129 › Welwyn Garden City
Stevenage
- Stevenage › A1(M) › A6129 › Welwyn Garden City
- Stevenage › B197 › Valley Road (Welwyn Garden City)
Watford
- Watford › A4008 › M1 › North Orbital Road › St. Albans › A414 › Hatfield › A1(M) › A6129 › Welwyn Garden City
Wheathampstead
- Wheathamstead › B653 › Stanborough › A6129 › Welwyn Garden City
- Wheathamstead › B653 › Lemsford › Valley Road (Welwyn Garden City)
