| Name |
Comp |
Yards |
Open |
Closed |
Portal |
Portal |
Link |
| Paxton (Rockhills) |
LC&D |
439 |
1865 |
1954 |
 |
 |
 |
| Peggs Green |
CT |
483(g) |
1833 |
1872? |
|
|
|
| Penar |
GW |
239 |
1912 |
1989 |
|
|
 |
| Pencader |
C&C |
988 |
1864 |
1973 |
|
|
 |
| Pencaedrain |
VoN |
526 |
1851 |
1967 |
|
|
|
| Pendlebury (Fast) |
L&Y |
201 |
1887 |
1965 |
|
|
 |
| Pendleton (Up) |
L&Y |
41(g) |
1887 |
1965 |
|
|
|
| Penmanshiel |
Nth Brt |
264 |
1846 |
1979 |
|
|
 |
| Penmanshiel Tunnel collapsed in 1979 during gauge enhancement works, killing two labourers. |
| Perridge (Longdown) |
Exe |
829 |
1903 |
1958 |
|
|
|
| A 40-yard section in the middle of Perridge Tunnel collapsed around 1986. |
| Pickering Nook [Burnopfield] |
WV |
58(g) |
1855 |
1885 |
|
|
|
| The line through the tunnel was closed in 1866 but it was reused by the Lintz Waggonway in 1867. |
| Pinnock |
GW |
1,173 |
1874 |
1968 |
|
|
|
| Pinnock Hill [Durham] |
D&S |
~60 |
1845 |
1850s |
|
|
|
Pontardawe  |
GW |
103 |
|
|
|
|
|
| The heading of Pontardawe Tunnel was driven in 1918-20 but the line was abandoned before work on it was completed. |
| Pontypridd (Graig/Treforest) |
Barry |
1,323 |
1889 |
1951 |
|
|
|
| Port Dinorwic |
Pad |
~92 |
1842 |
1961 |
|
|
|
| Port Mulgrave |
Grink |
1729(g) |
1875 |
1916 |
|
|
|
| Portway No.1 |
BPR&P |
73 |
1865 |
1922 |
|
|
|
| Portway No.2 |
BPR&P |
175 |
1865 |
1922 |
|
|
|
| Presthope |
Wen |
207 |
1867 |
1963 |
|
|
|
| Privett |
LSW |
1,058 |
1903 |
1968 |
|
|
|
| Prospect (Crimple) |
Y&NM |
825 |
1848 |
1964 |
|
|
|
| Provan Gasworks |
Nth Brt |
520 |
1902 |
1962 |
|
|
|
| Provanmill |
Cal |
85 |
1886 |
1964 |
|
|
|
| Pwll-du |
Hill's |
~2040 |
1815 |
>1926 |
|
|
|
| Pwll-du Tunnel has two portals at its northern end - a 60yds bore branches off to the east. |