400 bus: Stevenage – Panshanger

Arriva Herts and Essex bus 400 runs between Stevenage and Panshanger via Knebworth, Mardley Hill, Welwyn and Welwyn Garden City. Runs Monday to Saturday. On Friday 16 October the first bus from Stevenage leaves at 06:55 and the last at 18:10, about every hour during the day.

Operated by Arriva Herts and Essex. Timetable for Friday, 16 October 2026. Plan a journey · Print this timetable

Questions

When is the first and last 400 bus from Stevenage to Panshanger?
On Friday 16 October the first bus leaves Stevenage at 06:55 and the last at 18:10, 12 journeys in all.
When is the first and last 400 bus from Panshanger to Stevenage?
On Friday 16 October the first bus leaves Panshanger at 06:21 and the last at 17:29, 12 journeys in all.
Does the 400 bus run on Sundays?
No. Runs Monday to Saturday.
How often does the 400 bus run?
On Friday 16 October it runs about every hour during the day (09:00 to 15:00), 12 journeys from Stevenage.
Where does the 400 bus stop?
Main stops from Stevenage to Panshanger: Bus Station (Stevenage), Station Road (Knebworth), The North Star PH (Mardley Hill), St Mary's Church (Welwyn), Lemsford Corner (Welwyn Garden City), Bus Station (Welwyn Garden City), Business Parks North (Welwyn Garden City), Ridgeway Academy (Panshanger). The full list is in the timetable below.
Who runs the 400 bus?
Arriva Herts and Essex.

Stevenage to Panshanger

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12
Bus Station, Stevenage06:5508:0509:0510:0511:0512:0513:0514:0515:0516:0517:0518:10
Station Road, Knebworth07:0408:1409:1410:1411:1412:1413:1414:1415:1416:1417:1418:19
The North Star PH, Mardley Hill07:1108:2109:2110:2111:2112:2113:2114:2115:2116:2117:2118:26
St Mary's Church, Welwyn07:1608:2609:2610:2611:2612:2613:2614:2615:2616:2617:2618:31
Lemsford Corner, Welwyn Garden City07:2508:3509:3510:3511:3512:3513:3514:3515:3516:3517:3518:40
Bus Station, Welwyn Garden City07:3508:4509:4510:4511:4512:4513:4514:4515:4516:4517:4518:50
Business Parks North, Welwyn Garden City07:3808:4909:4910:4911:4912:4913:4914:4915:5016:5017:5018:54
Ridgeway Academy, Panshanger07:4208:5309:5210:5211:5212:5213:5214:5215:5416:5417:5418:56

Panshanger to Stevenage

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12
Ridgeway Academy, Panshanger06:2107:2108:2509:2610:2211:2212:2213:2214:2215:2616:2917:29
Watchlytes, Panshanger06:2607:2808:3009:3110:2711:2712:2713:2714:2715:3116:3417:34
Elizabeth House, Panshanger06:3207:3508:3609:3710:3311:3312:3313:3314:3315:3616:3917:39
Business Parks South, Welwyn Garden City06:3607:4008:4009:4110:3711:3712:3713:3714:3715:4116:4417:43
Bus Station, Welwyn Garden City06:4807:4808:4809:4810:4811:4812:4813:4814:4815:4816:5217:52
Lemsford Corner, Welwyn Garden City06:5307:5308:5309:5310:5311:5312:5313:5314:5315:5316:5717:57
St Mary's Church, Welwyn07:0108:0109:0110:0111:0112:0113:0114:0115:0116:0117:0718:07
The North Star PH, Mardley Hill07:0608:0609:0610:0611:0612:0613:0614:0615:0616:0617:1218:12
Station Road, Knebworth07:1208:1209:1210:1211:1212:1213:1214:1215:1216:1217:1818:18
Bus Station, Stevenage07:2308:2309:2310:2311:2312:2313:2314:2315:2316:2317:2918:29

Places on this route

Timetables from the Bus Open Data Service (Department for Transport), updated Friday, 16 October 2026. Stop details from NaPTAN. Train timetables contain data from Network Rail, licensed under the Open Government Licence; live train times from National Rail. Times are UK local time and can change at short notice: check before you travel.

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