| Bus & Coach Services: Area 4 |
| Service | Route | Note | Timetable  |
6 | Welwyn Garden City - Shire Park | | Download timetable |
84 | St Albans - New Barnet | | Download timetable |
200 | Essendon Mill - London Colney | | Download timetable |
201 | Welham Green - Welwyn Garden City | | Download timetable |
203 | Watton-at-Stone - Welwyn Garden City | | Download timetable |
205 | South Hatfield - Hatfield Tesco (Circular) | | Download timetable |
206 | Welwyn Garden City - Panshanger (Circular) | | Download timetable |
215 | Codicote/Welwyn - Welwyn Garden City | | Download timetable |
242 | Welwyn Garden City/Potters Bar - Waltham Cross | Timetable finishes 4th September 2010 :
| Download timetable |
New timetable from 5th September 2010 :
| Download timetable |
298 | Potters Bar - Arnos Grove | | Download timetable |
300/301 | Stevenage - Hemel Hempstead | New timetable from 23rd August 2010 : | Download timetable |
302 | Welwyn Garden City - Potters Bar | Service withdrawn - see 242 above for replacement
| |
304 | Hitchin/St. Albans - Welham Green | | Download timetable |
312 | Hatfield - Potters Bar (Circular) | | Download timetable |
313 | Potter Bar - Chingford | | Download timetable |
314/315 | Welwyn Garden City - Kimpton/Hitchin |
| Download timetable |
341/641 | Broxbourne/Ware - Hatfield | | Download timetable |
365/366 | Dunstable - Hatfield | New timetable from 31st August 2010 : | Download timetable |
379 | Stevenage - Hertford | | Download timetable |
388 | Welwyn Garden City - Hertford | New timetable from 2nd September 2010 : | Download timetable |
398 | Borehamwood/South Mimms - Potters Bar | | Download timetable |
401 | Welwyn Garden City - Panshanger (Circular) | | Download timetable |
403 | Great Ganett - Haldens | | Download timetable |
404/405 | Welwyn Garden City - South Hatfield | | Download timetable |
448 | Peterborough - London | | Download timetable |
600/650 | Hatfield Railway Station - Business Park | | Download timetable |
601 | Welwyn Garden City - St Albans | | Download timetable |
602 | Hatfield - Watford | | Download timetable |
603 | Welwyn Garden City - Hatfield Business Park | | Download timetable |
607 | Hatfield Railway Stn - Garden Village (Circular) | | Download timetable |
608 | Hatfield Railway Stn - Hatfield Garden Village | | Download timetable |
609 | Hatfield Railway Stn - Salisbury Village (Circular) | | Download timetable |
610 | Hatfield - Potters Bar/Enfield | | Download timetable |
614/614N | Hatfield - Queensbury | | Download timetable |
615 | Hatfield - Rayners Lane | | Download timetable |
620 | Redbourn/Hemel Hempstead - Hatfield | | Download timetable |
621 | Watford - St Albans/Hatfield | New timetable from 31st August 2010 : | Download timetable |
626 | Potters Bar - North Finchley | | Download timetable |
632 | Hatfield - Watford | | Download timetable |
634 | Hemel Hempstead - Stevenage/Hitchin | | Download timetable |
636 | Hatfield - Luton | | Download timetable |
655 | Hatfield - Borehamwood | | Download timetable |
692/699 | Winchmore Hill - Dame Alice Owens School | | Download timetable |
724/725/726 | Harlow - Heathrow Airport | | Download timetable |
737 | Stansted Airport - Oxford | | Download timetable |
797 | Hitchin/Stevenage - London | | Download timetable |
| 797 | Cambridge - Gatwick Airport/Brighton | | Download timetable |
806 | Welwyn Garden City - Monks Walk School | | Download timetable |
810 | Cuffley Railway Station - Hatfield Business Park | Withdrawn from 23rd July 2010 | |
826 | Hatfield - Dame Alice Owens School | | Download timetable |
841/841A | Potters Bar - Chancellors School | New timetable starts 2nd September 2010 : | Download timetable |
842 | Hatfield - Chancellors School | | Download timetable |
880 | Hammond Street - Chancellors School | | Download timetable |
PB1 | Rushfield - Potters Bar | | Download timetable |
R66 | Stevenage - Hertford & Ware Schools | | Download timetable |
R88 | Watton-at-Stone - Hertford & Ware Schools | | Download timetable |
SHTL | Hatfield - Inter-Campus Shuttle | | Download timetable |
| T5 | Amersham - Hatfield | New service from 9th August 2010 :
| Download timetable |
WW14 | Shefford - Welwyn Garden City | | Download timetable |