400 Bus Station ↔ Sir Frederic Osborn School
Operated by Arriva Herts and Essex. First bus 06:21, last bus 18:10. 24 journeys on weekdays.
💷 Most single fares in England are capped at £3 until 31 Dec 2026, then £2 —
check with Arriva Herts and Essex whether this route takes part.
Details →
Timetable
Times are shown at the route's main timing stops — buses serve all stops in between. For times at your exact stop, open the stop's own page.
towards Sir Frederic Osborn School · Monday to Friday towards Sir Frederic Osborn School · Saturday towards Bus Station · Monday to Friday towards Bus Station · Saturday
| 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 |
Route map
All stops on route 400
400 towards Sir Frederic Osborn School
- 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 Bus Station
- 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
- Carleton Rise (nr) Welwyn
- Church Place (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?
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 the operator via the DfT Bus Open Data Service. Check before you travel — services can change at short notice.