21A
21A Bus Times – Barne Barton ↔ Plympton
12:52
3 minSt Mary's Bridge 13:5512:53
4 minSt Mary's Bridge 14:0013:22
33 minSt Mary's Bridge 14:3013:23
34 minSt Mary's Bridge 14:3013:52
63 minSt Mary's Bridge 14:5513:53
64 minSt Mary's Bridge 15:00SATURDAY · 48 services05:45 — 23:15
The 21A bus runs between Barne Barton and Plympton, operated by Go-Ahead. This route has 51 stops.
21A Bus Timetable
Inbound
Fares & Tickets
Day Pass
£5.50
Weekly
£34.00
Passes through:
Barne BartonSt BudeauxCamels HeadKeyhamDevonportMount WiseStonehousePlymouth City CentreCattedownPrince RockLairaCrabtreeMarsh MillsWoodfordUnderwoodPlympton
Where does the 21A bus stop?
The 21A serves 51 stops passing through Barne Barton, St Budeaux, Camels Head, Keyham, Devonport, Mount Wise, Stonehouse, Plymouth City Centre, Cattedown, Prince Rock, Laira, Crabtree, Marsh Mills, Woodford, Underwood and Plympton. You can find the full list of stops with a route map further up this page.
Does the 21A run on weekends?
Yes, the 21A runs on Saturdays and Sundays. The weekend timetable may have fewer departures than weekdays - use the day tabs above to compare.
Can I use a bus pass on the 21A?
Most Go-Ahead services accept concessionary bus passes (including the English National Concessionary Travel Scheme for eligible passengers). Contactless payment is widely accepted. Check with Go-Ahead for specific ticket options on this route.
Does the 21A run on bank holidays?
There is no specific bank holiday timetable listed for the 21A. On bank holidays, most operators run a Sunday or reduced service. Contact Go-Ahead to confirm bank holiday arrangements.
Sources:
Bus Open Data Service (BODS) for timetable and route data · BODS Fares API for fare data
NOC: ETBU, GAHL, LCAG, CROP, GAWY, LGEN, LONC, BTRI, DBLU, EYMS, GONW, OXBC, THTR, CSLB, NATI, BLUS, WDBC, SWWD, TDTR, SVCT, TOUR, DAMY, UNIL, METR, PROC, BHBC, DDIS, GNEL, PLYC, GOSW, UNBU, TFCN, SDMS, OEXP, MBGA, CSSO, GAGL, PULH
Valid from 27 Jul 2026 to 31 Dec 2026
Source: Bus Open Data Service
· Last updated: 05 Aug 2026
This route serves 51 bus stops across 16 areas.