400 Stevenage to Panshanger via Welwyn, Welwyn Garden City
Operated by Arriva Herts and Essex. First bus 06:21, last bus 18:10. 24 journeys on weekdays. Fares: adult single £2.80 to £5.70 — more.
Wanted a different 400? 12 other bus routes are numbered 400 elsewhere in the UK — see every 400 bus timetable by area.
| Stop | 06:55 | 08:05 | 09:05 | 10:05 | 11:05 | 12:05 | 13:05 | 14:05 | 15:05 | 16:05 | 17:05 | 18:10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bus Station (Stop H) | 06:55 | 08:05 | 09:05 | 10:05 | 11:05 | 12:05 | 13:05 | 14:05 | 15:05 | 16:05 | 17:05 | 18:10 |
| Station Road (Stop D) | 07:04 | 08:14 | 09:14 | 10:14 | 11:14 | 12:14 | 13:14 | 14:14 | 15:14 | 16:14 | 17:14 | 18:19 |
| The North Star PH (opp) | 07:11 | 08:21 | 09:21 | 10:21 | 11:21 | 12:21 | 13:21 | 14:21 | 15:21 | 16:21 | 17:21 | 18:26 |
| St Mary's Church (opp) | 07:16 | 08:26 | 09:26 | 10:26 | 11:26 | 12:26 | 13:26 | 14:26 | 15:26 | 16:26 | 17:26 | 18:31 |
| Lemsford Corner (NE-bound) | 07:25 | 08:35 | 09:35 | 10:35 | 11:35 | 12:35 | 13:35 | 14:35 | 15:35 | 16:35 | 17:35 | 18:40 |
| Bus Station (Stop A) | 07:35 | 08:45 | 09:45 | 10:45 | 11:45 | 12:45 | 13:45 | 14:45 | 15:45 | 16:45 | 17:45 | 18:50 |
| Business Parks North (NE-bound) | 07:38 | 08:49 | 09:49 | 10:49 | 11:49 | 12:49 | 13:49 | 14:49 | 15:50 | 16:50 | 17:50 | 18:54 |
| Sir Frederic Osborn School (opp) | 07:42 | 08:53 | 09:52 | 10:52 | 11:52 | 12:52 | 13:52 | 14:52 | 15:54 | 16:54 | 17:54 | 18:56 |
Each column is one journey, headed by the time it sets off. Times are shown at the route's main timing stops — buses serve all stops in between. Switch a table to All stops for every stop it calls at, or open a stop's own page for live departures there.
Fares on the 400
Adult single £2.80 to £5.70 · Child single £1.40 to £2.85
Adult single fare table, stage to stage
| £2.80 | Roaring Meg Retail Park | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| £2.80 | £2.80 | Roebuck Inn | ||||||||||||
| £4.70 | £4.70 | £4.70 | Knebworth | |||||||||||
| £5.70 | £5.70 | £5.70 | £4.70 | Woolmer Green | ||||||||||
| £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | Mardley Hill | |||||||||
| £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £2.80 | The Avenue, Mardley Hill | ||||||||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £2.80 | Welwyn Clock/Baths/Fire Stn | |||||||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £2.80 | Ayot Green | ||||||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £4.70 | £2.80 | Lemsford Cnr | |||||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £4.70 | £4.70 | £2.80 | Handside Lane | ||||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £2.80 | £2.80 | Welwyn Garden City Bus Stn | |||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £4.70 | £4.70 | £2.80 | Bessemer Rd Wickes/B&Q | ||
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £4.70 | £4.70 | £4.70 | £2.80 | Mundells | |
| £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £5.70 | £4.70 | £4.70 | £4.70 | £4.70 | £4.70 | £4.70 | £2.80 | Panshanger |
Read along the row of the stage you travel to, to the column below the stage you board at; the first stage is Stevenage Bus/Rail Stn.
Arriva UK Bus's published fares on the Bus Open Data Service, in force from 25 September 2026. A fare stage is a group of neighbouring stops that are priced the same; singles published above £3.00 cost at most £3.00 if the route takes part in the England fare cap. Fares change — check with Arriva Herts and Essex before you travel.
Tickets on the 400
Arriva Herts and Essex publishes singles on this route for adults and children.
Adult Single · Child Single
Ticket types come from Arriva Herts and Essex's own fares data on the Bus Open Data Service, last updated 26 September 2026. Prices for singles and returns are under Fares above; for the others, check with Arriva Herts and Essex.
Christmas & bank holidays
These dates are not the usual timetable for the day they fall on. They come from the operator’s published data, which for Christmas and New Year is often late or incomplete, so check with Arriva Herts and Essex before you travel. Everything above is an ordinary week.
Not published yet: Christmas Eve, Christmas Day, Boxing Day, 28 December, New Year's Eve and New Year's Day. Operators often publish festive timetables only a few weeks ahead, so check again nearer the date.
Route map
All stops on route 400
400 towards Panshanger
All 36 stops
- Bus Station (Stop H) Stevenage
- Roaring Meg Retail Park (Stop B) Monks Wood
- Retail Park (opp) Monks Wood
- Tesco (opp) Stevenage
- The Roebuck Hotel (nr) Stevenage
- Golf Club (opp) Knebworth
- Station Road (Stop D) Knebworth
- Gun Road (opp) Knebworth
- Monread Lodge (opp) Woolmer Green
- Wickfield (opp) Woolmer Green
- Red Lion PH (opp) Woolmer Green
- The Drive (opp) Mardley Hill
- Mardley Avenue (nr) Mardley Hill
- The North Star PH (opp) Mardley Hill
- The Avenue (opp) Mardley Hill
- Church Place (opp) Welwyn
- St Mary's Church (opp) Welwyn
- St Mary's School (opp) Welwyn
- The Crescent (opp) Welwyn
- Red Lion PH (opp) Ayot Green
- Lemsford Corner (NE-bound) Welwyn Garden City
- Applecroft Road (opp) Welwyn Garden City
- Youngs Rise (opp) Welwyn Garden City
- The Valley Green (adj) Welwyn Garden City
- Handside Lane (opp) Welwyn Garden City
- Campus East (nr) Welwyn Garden City
- Bus Station (Stop A) Welwyn Garden City
- Waitrose (Stop H) Welwyn Garden City
- Broadwater Road (opp) Welwyn Garden City
- Aldi (opp) Welwyn Garden City
- Royal Mail Depot (opp) Welwyn Garden City
- Business Parks North (NE-bound) Welwyn Garden City
- Waterside (nr) Welwyn Garden City
- Brownfields (opp) Welwyn Garden City
- Watchmead (opp) Welwyn Garden City
- Sir Frederic Osborn School (opp) Panshanger
400 towards Stevenage
All 53 stops
- Sir Frederic Osborn School (opp) Panshanger
- Westly Wood (adj) Panshanger
- The Moors (nr) Panshanger
- Wren Wood (opp) Panshanger
- Herns Way (nr) Panshanger
- Hazel Grove (nr) Panshanger
- Poplars (opp) Panshanger
- Watchlytes (opp) Panshanger
- Bericot Way (nr) Panshanger
- Wellington Drive (nr) Panshanger
- Lincoln Close (nr) Panshanger
- Chedburgh (nr) Panshanger
- Chelveston (nr) Panshanger
- Leys Down (nr) Panshanger
- Wyton (nr) Panshanger
- Russett Wood (nr) Panshanger
- Elizabeth House (opp) Panshanger
- Waterford Green (nr) Panshanger
- Morrisons (nr) Panshanger
- Watchmead (nr) Welwyn Garden City
- Mundells (nr) Panshanger
- Business Parks South (SW-bound) Welwyn Garden City
- Royal Mail Depot (o/s) Welwyn Garden City
- Aldi (nr) Welwyn Garden City
- Broadwater Road (nr) Welwyn Garden City
- Bus Station (Stop C) Welwyn Garden City
- John Lewis (Stop J) Welwyn Garden City
- Handside Lane (nr) Welwyn Garden City
- The Valley Green (opp) Welwyn Garden City
- Youngs Rise (nr) Welwyn Garden City
- Applecroft Road (adj) Welwyn Garden City
- Lemsford Corner (SW-bound) Welwyn Garden City
- Red Lion PH (nr) Ayot Green
- The Crescent (nr) Welwyn
- St Mary's School (nr) Welwyn
- St Mary's Church (nr) Welwyn
- Church Place (nr) Welwyn
- Carleton Rise (nr) Welwyn
- The Avenue (nr) Mardley Hill
- The North Star PH (nr) Mardley Hill
- Mardley Avenue (opp) Mardley Hill
- The Drive (nr) Mardley Hill
- Red Lion PH (nr) Woolmer Green
- Wickfield (nr) Woolmer Green
- Monread Lodge Woolmer Green
- Gun Road (nr) Knebworth
- Station Road (Stop C) Knebworth
- Golf Club (nr) Knebworth
- The Roebuck Hotel (opp) Stevenage
- Tesco (o/s) Stevenage
- Retail Park (o/s) Monks Wood
- Roaring Meg Retail Park (Stop A) Monks Wood
- Bus Station (Stop L) Stevenage
Towns & areas on this route
Frequently asked questions
What time is the first 400 bus?
The first 400 departure on weekdays leaves at 06:21 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).
What time is the last 400 bus?
The last 400 on weekdays leaves its first stop at 18:10. Always check the timetable for your specific stop — later stops are reached after this time.
How much does the 400 bus cost?
Arriva Herts and Essex's published fares on the 400: adult single £2.80 to £5.70, child single £1.40 to £2.85. Singles published above £3.00 cost at most £3.00 if the 400 takes part in the England fare cap. Most single fares in England are capped at £3 until 31 December 2026 (then £2 from 1 January 2027). Arriva Herts and Essex day and weekly tickets can work out cheaper if you travel more than twice a day.
Who runs the 400 bus?
The 400 is operated by Arriva Herts and Essex.
Timetable data from Arriva Herts and Essex via the DfT Bus Open Data Service (South East England feed). Check before you travel — services can change at short notice.