21
Barne Barton ↔ Plympton Bus Times
06:06
55 minSt Mary's Bridge 06:5507:06
115 minSt Mary's Bridge 07:5508:06
175 minSt Mary's Bridge 08:5509:07
236 minSt Mary's Bridge 10:15SATURDAY · 31 services05:06 — 23:45
The 21 bus runs between Barne Barton and Plympton, operated by Go-Ahead. This route has 51 stops. Looking like 17°C and clear for the next bus at 05:10. Pleasant enough for the wait.
Number 21 Bus Timetable
Inbound
Fares & Tickets
Day Pass
£3.50
Weekly
£30.00
Passes through:
Barne BartonSt BudeauxCamels HeadKeyhamDevonportMount WiseStonehousePlymouth City CentreCattedownPrince RockLairaCrabtreeMarsh MillsWoodfordUnderwoodPlympton
Where does the 21 bus stop?
The 21 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 21 run on weekends?
Yes, the 21 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 21?
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 21 run on bank holidays?
There is no specific bank holiday timetable listed for the 21. 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 23 Mar 2026 to 31 Dec 2026
Source: Bus Open Data Service
· Last updated: 28 Mar 2026
This route serves 51 bus stops across 16 areas.