Standard Corridor
| British Rail Second Corridor | |
|---|---|
|
A Mk1 Second Corridor (SK) coach at the North Norfolk Railway in 2007 | |
| In service | 1951– |
| Manufacturer | BR Ashford/Easteigh, Derby (C&W), Doncaster, Swindon, Wolverton, York, BRCW, Cravens, GRCW, & Metro Cammell |
| Family name | British Railways Mark 1 and Mark 2A, 2B and 2C |
| Constructed |
Mk1 1951–1963 XP64 1964 Mk2a 1968 Mk2b 1969 Mk2c 1969-70 |
| Number built | 2168 |
| Fleet numbers |
Mk1 24000–25507, 25510–26217 XP64 25508-25509 Mk2a 19452-19473 Mk2b 19478-19513 Mk2c 19515-19560 |
| Capacity |
Mk1 48 with armrests 64 without Mk2a/b/c 42 |
| Operator(s) | British Rail |
| Specifications | |
| Car length | 64 ft 6 in (19.66 m) |
| Width | 9 ft 3 in (2.82 m) |
| Height | 12 ft 9 1⁄2 in (3.90 m) |
| Doors | Manual slam doors, three on each side |
| Maximum speed |
BR1/Cw: 90 mph (145 km/h) B4: 100 mph (161 km/h) |
| Weight | 32.5 to 36.5 long tons (33.0 to 37.1 t; 36.4 to 40.9 short tons) |
| Train heating | Steam or electric heat, or both |
| Bogies | BR1, Commonwealth or B4 |
| Braking system(s) | Vacuum, air, or both |
| Coupling system | Drop-head knuckle coupler on draw-hook (dual) |
| Track gauge | 4 ft 8 1⁄2 in (1,435 mm) standard gauge |
The Standard Corridor (previously Third Corridor) type of railway carriage was one of the standard mid-20th century designs, and was coded SK (previously TK) by the LNER and BR, and CF by the LMS. The layout of the coach was a number of compartments, all of which were standard class (known as third class until 1956), linked by a side corridor.
The British Railways produced Mark 1 SK was the most numerous carriage design ever built in the United Kingdom. The original number series carried was 24000–26217. From 1983, those carriages in the 25xxx and 26xxx series were renumbered 18xxx and 19xxx.
There were two variants, those built for the Midland, Scottish, and Eastern / North Eastern regions had six seats per compartment, with fold-up arm-rests which folded into the seat-back, while those built for the Southern and Western regions, with their heavy commuter loadings into London, had eight seats in each compartment, and no arm-rests. Seating was of the interior sprung bench type. Over time, some SKs and BSKs were re-allocated from other regions to the Western, who tended to try to stitch the arm-rests in the up position.
In 1985, a number of Mark 2 First Corridor carriages were declassified to become SKs. They were renumbered from 13xxx to 19xxx, putting them after the end of the Mark 1 range (19452–19560).
No carriages of this type are still in daily use on the main line network, since open saloon carriages are now preferred by operating companies. However, some electric multiple units based on Mark 1 coaches have standard class compartments, such as Class 438. Many SKs still operate on preserved UK railway lines.
Designations for standard corridor carriages are as follows:
| LNER Code | Description | LMS Code |
|---|---|---|
| BSK | Brake Standard Corridor | CH |
| DMBSK | Driving Motor Brake Standard Corridor | |
| DMSK | Driving Motor Standard Corridor | |
| MBSK | Motor Brake Standard Corridor | |
| SK | Standard Corridor | CF |
| TBSK | Trailer Brake Standard Corridor | |
| TSK | Trailer Standard Corridor |
Livery
The livery initially for Mk1 coaches for British Railways in 1951 was crimson lake and cream with black and gold lining, all new Mk1 SK coaches were delivered in this livery up until 1956. In 1956 the standard livery changed to maroon with black and gold lining except for the Southern region stock which adopted an unlined dark malachite green. Western Region on the other hand adopted chocolate and cream to sufficient stock to operate its named trains like "Cornish Rivia Ltd" and "Torbay Express" being two examples. In 1965 Manastral Blue & Grey livery was introduced as trailed on XP64 stock the year before and lasted for another 20 years. NSE was introduced for stock in the south east of England
Orders
| Lot No. | Diagram | Mark | Built | Builder | Qty | Fleet numbers | Notes |
|---|---|---|---|---|---|---|---|
| 30002 | 146 | 1 | 1951 | Derby | 180 | 24000–24179 | BR1 bogies |
| 30015 | 146 | 1 | 1951-2 | Doncaster | 40 | 24180–24219 | BR1 bogies |
| 30026 | 146 | 1 | 1951-2 | York | 82 | 24220–24301 | BR1 bogies |
| 30020 | 146 | 1 | 1952 | Ashford | 24 | 24302–24331 | BR1 bogies |
| 30007 | 146 | 1 | 1953 | BRCW | 36 | 24332–24396 | BR1 bogies |
| 30030 | 146 | 1 | 1953 | Derby | 40 | 24397–24436 | BR1 bogies |
| 30072 | 146 | 1 | 1953 | Wolverton | 10 | 24437–24446 | BR1 bogies |
| 30088 | 146 | 1 | 1954 | Swindon | 22 | 24447–24468 | BR1 bogies |
| 30070 | 146 | 1 | 1954 | York | 36 | 24469–24538 | BR1 bogies |
| 30068 | 147 | 1 | 1952 | York | 30 | 24539–24548 | BR1 bogies |
| 30070 | 146 | 1 | 1952 | York | 36 | 24549-24556 | BR1 bogies |
| 30070 | 146 | 1 | 1954 | York | 36 | 24557–24568 | BR1 bogies |
| 30070 | 146 | 1 | 1954-55 | York | 36 | 24569-24575 | BR1 bogies |
| 30057 | 146 | 1 | 1953 | BRCW | 14 | 24576–24675 | BR1 bogies |
| 30058 | 146 | 1 | 1953 | Cravens | 25 | 24676–24700 | BR1 bogies |
| 30059 | 147 | 1 | 1953 | Cravens | 20 | 24701–24720 | BR1 bogies |
| 30073 | 146 | 1 | 1953 | Wolverton | 25 | 24721–24745 | BR1 bogies |
| 30077 | 147 | 1 | 1954 | Swindon | 8 | 24746–24753 | BR1 bogies |
| 30078 | 146 | 1 | 1954 | Swindon | 42 | 24754–24795 | BR1 bogies |
| 30137 | 146 | 1 | 1954 | BRCW | 23 | 24796–24818 | BR1 bogies |
| 30153 | 146 | 1 | 1955-56 | Derby | 42 | 24819–24944 | BR1 bogies |
| 30154 | 146 | 1 | 1956 | Derby | 30 | 24945–24974 | BR1 bogies |
| 30208 | 146 | 1 | 1956 | Derby | 30 | 24975–25044 | BR1 bogies |
| 30155 | 147 | 1 | 1955-56 | Wolverton | 120 | 25045–25164 | BR1 bogies |
| 30230 | 147 | 1 | 1957 | Metro Cammell | 83 | 25165–25247 | BR1 bogies |
| 30231 | 146 | 1 | 1957-58 | Metro Cammell | 32 | 25248–25279 | BR1 bogies |
| 30494 | 150 | 1 | 1958 | Metro Cammell | 3 | 25280–25282 | BR1 bogies |
| 30349 | 146 | 1 | 1957 | Wolverton | 120 | 25283–25402 | BR1 bogies |
| 30350 | 146 | 1 | 1957 | Wolverton | 22 | 25403–25454 | BR1 bogies |
| 30356 | 148 | 1 | 1957 | Metro Cammell | 1 | 25455 | BR1 bogies |
| 30358 | 149 | 1 | 1957 | GRCW | 1 | 25456 | BR1 bogies |
| 30371 | 151 | 1 | 1957 | Doncaster | 1 | 25457 | BR1 bogies |
| 30374 | 146 | 1 | 1957 | York | 50 | 25458-25507 | BR1 bogies |
| 30737 | 152 | XP64 | 1964 | Derby | 2 | 25508-25509 | B4 bogies |
| 30426 | 146 | 1 | 1957-58 | Wolverton | 146 | 25558-25703 | BR1 bogies |
| 30685 | 146 | 1 | 1961-62 | Derby | 202 | 25704-25905 | CW bogies |
| 30685 | 146 | 1 | 1962 | Derby | 67 | 25906-25972 | BR1 bogies |
| 30719 | 146 | 1 | 1962 | Derby | 87 | 25973-26059 | CW bogies |
| 30720 | 147 | 1 | 1962-63 | Derby | 78 | 26060-26137 | CW bogies |
| 30726 | 146 | 1 | 1962-63 | York | 80 | 26138-26217 | CW bogies |
conversions
- In 1973-74 4 Second Corridor were converted to Class 309 TSK later become TSOL
- In 1976, 9 Second Corridor where converted to Stowage Vans 80431-80439 POT
- In 1977, 15 Second Corridor where converted to Sorting Vans 80381-80395 POS.
| SK | TSK | Diagram | |
|---|---|---|---|
| 26024 | 71110 | 469 | Class 309 |
| 26189 | 71108 | 469 | Class 309 |
| 26196 | 71109 | 469 | Class 309 |
| 26203 | 71107 | 469 | Class 309 |
| SK | Type | Year | Diagram | |
|---|---|---|---|---|
| 25033 | POS | 80383 | 1977 | 726A/NS531 |
| 25045 | POS | 80387 | 1977 | 726A/NT531 |
| 25047 | POS | 80390 | 1977 | 726A/NT531 |
| 25056 | POS | 80395 | 1977 | 726A/NT531 |
| 25068 | POT | 80437 | 1976 | 727A/NT521 |
| 25071 | POT | 80432 | 1976 | 727A/NS521 |
| 25077 | POT | 80436 | 1976 | 727A/NS521 |
| 25078 | POS | 80384 | 1977 | 726A/NS531 |
| 25082 | POS | 80392 | 1977 | 726A/NS531 |
| 25083 | POS | 80385 | 1977 | 726A/NS531 |
| 25088 | POS | 80388 | 1977 | 726A/NS531 |
| 25089 | POS | 80391 | 1977 | 726A/NS531 |
| 25099 | POS | 80386 | 1977 | 726A/NS531 |
| 25103 | POS | 80389 | 1977 | 726A/NS531 |
| 25104 | POT | 80431 | 1976 | 727A/NS521 |
| 25109 | POS | 80382 | 1977 | 726A/NS531 |
| 25112 | POS | 80381 | 1977 | 726A/NS531 |
| 25117 | POT | 80435 | 1976 | 727A/NT521 |
| 25119 | POS | 80393 | 1977 | 726A/NT531 |
| 25127 | POT | 80439 | 1976 | 726A/NT521 |
| 25434 | POT | 80434 | 1976 | 726A/NT521 |
| 25139 | POT | 80438 | 1976 | 727A/NT521 |
| 25150 | POT | 80433 | 1976 | 727A/NT521 |
| 25156 | POS | 80394 | 1977 | 726A/NT531 |
Departmental use
| Mk1 | |||
|---|---|---|---|
| SK | Departmental | Notes | |
| 24011 | DB975415 | Match wagon for ballast cleaner | |
| 24026 | ADB977057 | Doncester works test train | |
| 24035 | ADB975439 | Crewe works test train | |
| 24062 | LDB975062 | CM&EE Electrification staff coach | |
| 24067 | LDB975064 | CM&EE Electrification staff coach | |
| 24070 | ADB975161 | BTU tool van | |
| 24085 | TDB977187 | Train crew training coach | |
| 24119 | ZDB975074 | Exhibition coach | |
| 24134 | LDB975065 | CM&EE Electrification staff coach | |
| 24140 | LDB975066 | CM&EE Electrification staff coach | |
| 24147 | ZDB975073 | Exhibition coach | |
| 24154 | ADB975263 | Overhead Line Maintenance Stores coach | |
| 24157 | ADB975162 | BUT Tool & Generator coach | |
| 24168 | LDB975067 | CM&EE Electrification staff coach | |
| 24189 | LDB975068 | CM&EE Electrification staff coach | |
| 24274 | ADB975801 | CCE staff & dormitory coach for ballast cleaner | |
| 24308 | DB975392 | Match wagon for ballast cleaner DR76216 | |
| 24320 | LDB975069 | CM&EE Electrification staff coach | |
| 24345 | ADB975806 | CCE staff coach | |
| 24410 | LDB975070 | CM&EE Electrification staff coach | |
| 24420 | KDB975114 | S&T cable flat | |
| 24428 | ADB977058 | Doncester works test train | |
| 24429 | ADB975904 | Overhead Line Maintenance cable flat | |
| 24430 | TDB977188 | Train crew training coach | |
| 24457 | ADB975799 | CCE staff & dormitory coach for ballast cleaner | |
| 24485 | DB975412 | Match wagon for ballast cleaner | |
| 24516 | TDB977189 | Train crew training coach | |
| 24531 | ADB975726 | Overhead Line Maintenance generator & stores coach | |
| 24579 | ADB977090 | CCE staff coach | |
| 24589 | ADB975546 | Overhead Line Maintenance cable flat | |
| 24647 | TDB975135 | Lecture coach | |
| 24677 | TDB977247 | MOD spechal instruction coach | |
| 24679 | TDB977248 | MOD spechal instruction coach | |
| 24685 | TDB977422 | Spechal instruction coach | |
| 24745 | KDB975106 | S&T cable flat | |
| 24752 | ADB975440 | Crewe works test train | |
| 24766 | ADB975732 | Overhead Line Maintenance stores & roof access coach | |
| 24796 | ADB975802 | CCE staff & dormitory coach for ballast cleaner | |
| 24815 | ADB975803 | CCE staff & dormitory coach for ballast cleaner | |
| 24841 | TDB977497 | Spechal instruction coach | |
| 24849 | ADB975925 | Overhead Line Maintenance cable flat | |
| 24857 | TDB977498 | Spechal instruction coach | |
| 24858 | ADB977059 | Doncester works test train | |
| 24870 | ADB975441 | Crewe works test train | |
| 24890 | TDB977430 | Spechal instruction coach | |
| 24899 | CDB977103 | EMU barrier coach | |
| 24936 | ADB975442 | Crewe works test train | |
| 24972 | ADB975805 | CCE staff & dormitory coach for single line gantries | |
| 24976 | DB975828 | Underframes used for CCE staff & dormitory portakabin | |
| 24982 | DB975379 | CCE staff & dormitory coach | |
| 24990 | ADB975926 | Overhead Line Maintenance cable flat | |
| 24994 | ADB975915 | Overhead Line Maintenance cable flat | |
| 25003 | ADB975913 | Overhead Line Maintenance cable flat | |
| 25017 | ADB975742 | Overhead Line Maintenance office & staff coach | |
| 25025 | ADB975920 | Overhead Line Maintenance cable flat | |
| 25026 | ADB975922 | Overhead Line Maintenance cable flat | |
| 25038 | ADB977320 | Crewe works diesel loco test train coach | |
| 25069 | ADB975924 | Overhead Line Maintenance cable flat | |
| 25079 | ADB975080 | BTU tool van | |
| 25094 | ADB975908 | Overhead Line Maintenance cable flat | |
| 25105 | ADB975905 | Overhead Line Maintenance cable flat | |
| 25106 | 18106 | ADB977322 | Crewe works diesel loco test train coach |
| 25122 | ADB975443 | Crewe works test train | |
| 25132 | ADB975797 | CCE staff & dormitory coach for ballast cleaner | |
| 25161 | ADB975906 | Overhead Line Maintenance cable flat | |
| 25171 | TDB977195 | MOD spechal instruction coach | |
| 25190 | ADB975736 | Overhead Line Maintenance stores & roof access coach | |
| 25196 | ADB975927 | Overhead Line Maintenance cable flat | |
| 25205 | ADB975930 | Overhead Line Maintenance cable flat | |
| 25222 | ADB975622 | EMU Barrier coach | |
| 25226 | ADB975722 | Overhead Line Maintenance generator & stores coach | |
| 25236 | CDB977102 | EMU barrier coach | |
| 25238 | ADB975923 | Overhead Line Maintenance cable flat | |
| 25243 | ADB975946 | Overhead Line Maintenance cable flat | |
| 25262 | ADB975712 | Overhead Line Maintenance stores coach | |
| 25281 | DB975816 | Underframes used for CCE staff & dormitory portakabin | |
| 25286 | 18286 | TDB977496 | Spechal instruction coach |
| 25302 | ADB975771 | Overhead Line Maintenance office & staff coach | |
| 25318 | 18318 | ADB977323 | Crewe works diesel loco test train coach |
| 25326 | ADB977319 | Crewe works diesel loco test train coach | |
| 25329 | DB975829 | Underframes used for CCE staff & dormitory portakabin | |
| 25338 | TDB977173 | Train crew training coach | |
| 25339 | ADB977151 | Crewe work test tain | |
| 25340 | ADB975903 | Overhead Line Maintenance cable flat | |
| 25343 | ADB975798 | CCE staff & dormitory coach for ballast cleaner | |
| 25353 | ADB975763 | Overhead Line Maintenance generator & stores coach | |
| 25356 | 18356 | ADB977321 | Crewe works diesel loco test train coach |
| 25358 | ADB975743 | Overhead Line Maintenance office & staff coach | |
| 25388 | ADB975723 | Overhead Line Maintenance generator & stores coach | |
| 25396 | TDB977174 | Train crew training coach | |
| 25407 | 18407 | TDB977407 | MOD spechal instruction coach |
| 25412 | 18412 | TDB977584 | Spechal instruction coach |
| 25420 | ADB975713 | Overhead Line Maintenance stores coach | |
| 25422 | 18422 | TDB977499 | Spechal instruction coach |
| 25429 | DB975817 | Underframes used for CCE staff & dormitory portakabin | |
| 25430 | ADB975758 | Overhead Line Maintenance stores coach | |
| 25434 | ADB975711 | Overhead Line Maintenance stores coach | |
| 25437 | ADB975762 | Overhead Line Maintenance generator & stores coach | |
| 25440 | ADB975744 | Overhead Line Maintenance office & staff coach | |
| 25461 | ADB975767 | Overhead Line Maintenance stores & roof access coach | |
| 25466 | ADB975714 | Overhead Line Maintenance stores coach | |
| 25477 | ADB975766 | Overhead Line Maintenance stores & roof access coach | |
| 25479 | ADB975738 | Overhead Line Maintenance stores & roof access coach | |
| 25480 | DB975825 | Underframes used for CCE staff & dormitory portakabin | |
| 25493 | DB975822 | Underframes used for CCE staff & dormitory portakabin | |
| 25494 | TDB977237 | MOD spechal instruction coach | |
| 25495 | ADB975759 | Overhead Line Maintenance stores coach | |
| 25497 | DB975830 | Underframes used for CCE staff & dormitory portakabin | |
| 25498 | ADB975947 | Overhead Line Maintenance cable flat | |
| 25507 | ADB975800 | CCE staff & dormitory coach for ballast cleaner | |
| 25567 | TDB977129 | MOD Spechal instruction coaches | |
| 25570 | 18570 | TDB977408 | MOD spechal instruction coach |
| 25600 | ADB975721 | Overhead Line Maintenance generator & stores coach | |
| 25602 | 18602 | DB977724 | CE staff & tool coach |
| 25623 | CDB977100 | EMU barrier coach | |
| 25664 | ADB975741 | Overhead Line Maintenance office & staff coach | |
| 25666 | ADB975444 | Crewe works test train | |
| 25667 | DB975824 | Underframes used for CCE staff & dormitory portakabin | |
| 25669 | DB975821 | Underframes used for CCE staff & dormitory portakabin | |
| 25695 | ADB975734 | Overhead Line Maintenance stores & roof access coach | |
| 25696 | ADB975804 | CCE staff & dormitory coach for ballast cleaner | |
| 25699 | DB975823 | Underframes used for CCE staff & dormitory portakabin | |
| 25729 | 18729 | ADB977982 | Brake Force Runner |
| 25735 | 18735 | TDB977653 | Spechal instruction coach |
| 25755 | 18755 | TDB977419 | Spechal instruction coach |
| 25764 | ADB975731 | Overhead Line Maintenance stores & roof access coach | |
| 25807 | 18807 | TDB977420 | Spechal instruction coach |
| 25811 | 18811 | TDB977514 | Driver training coach |
| 25831 | 18831 | TDB977458 | Driver training coach |
| 25840 | 18840 | TDB977459 | Driver training coach |
| 25846 | 18846 | TDB977515 | Driver training coach |
| 25852 | 18852 | TDB977429 | Spechal instruction coach |
| 25859 | 18859 | TDB977428 | Spechal instruction coach |
| 25860 | 18860 | TDB977516 | Driver training coach |
| 25878 | 18878 | TDB977517 | Driver training coach |
| 25884 | 18884 | TDB977460 | Driver training coach |
| 25885 | 18885 | TDB977461 | Driver training coach |
| 25953 | ADB975866 | EMU barrier coach | |
| 25973 | 18973 | TDB977462 | Driver training coach |
| 25985 | 18985 | TDB977463 | Driver training coach |
| 26002 | 19002 | TDB977464 | Driver training coach |
| 26010 | 19010 | TDB977465 | Driver training coach |
| 26020 | 19020 | TDB977512 | Driver training coach |
| Mk2a | |||
| FK | SK | Departmental | Notes |
| 13458 | 19458 | RDB977914 | Test Train coach |
| 13462 | 19465 | 6352 | Mk4 Barrier coach |
| 13466 | 19466 | TDB977662 | MOD Spechal instruction coach |
| Mk2b | |||
| FK | SK | Departmental | Notes |
| 13476 | 19476 | RDB977525 | Brake force runner |
| 13478 | 19478 | 6353 | Mk4 Barrier coach |
| 13481 | 19481 | RDB977530 | Brake force runner |
| 13484 | 19484 | RDB977528 | Brake force runner |
| 13485 | 19485 | TDB977663 | MOD Spechal instruction coach |
| 13487 | 19487 | RDB977529 | Brake force runner |
| 13491 | 19491 | TDB977661 | MOD Spechal instruction coach |
| 13501 | 19501 | TDB977656 | MOD Spechal instruction coach |
| 13505 | 19505 | TDB977654 | MOD Spechal instruction coach |
| 13511 | 19511 | TDB977660 | MOD Spechal instruction coach |
| Mk2c | |||
| FK | SK | Departmental | Notes |
| 13518 | 19518 | TDB977659 | MOD Spechal instruction coach |
| 13531 | 19531 | TDB977658 | MOD Spechal instruction coach |
| 13557 | 19557 | TDB977655 | MOD Spechal instruction coach |
Corridor Brake Standard/Second
A standard corridor coach with a guard's brake compartment is designated BSK. The Mark 1 BSKs had 4 compartments, built as two variants with or without arm-rests depending on region, as with the SKs.
See also
References
- Keith Parkin Locomotive Hauled Mark 1 Coaching Stock of British Railways The Historical Model Railway Society, ISBN 9780902835061
- British Railways Vehicle Diagram Book 200 for Loco Hauld Coaches http://www.barrowmoremrg.co.uk/BRBDocuments/Diagram_Book_200_for_issue.pdf
- Michael Harris British Rail Mark 2 Coaches - the design that launched InterCity Venture Publications ISBN 978-1-898432-48-7
- Ashley Butlin British Rail Coaching Fleet Mk2, Mk3 & Mk4 A British Railways Illustrated Modern Times Series, Irwell Press ISBN 1-871608-87-2
- G.M.Kichenside British Railways Coaches 1958 Ian Allen ABC
- P Mallaband & L J Bowles Coaching Stock of British Railways 1976 Railway Correspondence and Travel Society
- P Mallaband & L J Bowles Coaching Stock of British Railways 1978 Railway Correspondence and Travel Society, ISBN 9780901115447
- P Mallaband & L J Bowles Coaching Stock of British Railways 1982 Railway Correspondence and Travel Society
- Departmental Coaching Stock DB97xxxx series 1983 Edition, Lineside Publications
- Peter Fox Departmental Coaching Stock First Edition 1984 Platform 5 Publications, ISBN 9780906579473
- Roger Butcher & Peter Fox Departmental Coaching Stock Second Edition 1985 Platform 5 Publications, ISBN 9780906579473
- Roger Butcher & Peter Fox Departmental Coaching Stock Third Edition 1987 Platform 5 Publications, ISBN 9780906579701
- Roger Butcher, Peter Fox & Peter Hall Departmental Coaching Stock Fourth Edition 1990 Platform 5 Publications, ISBN 9780906579978
- Roger Butcher Departmental Coaching Stock Fifth Edition 1993 SCT Publications, ISBN 9781872768106
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