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Johnsonville Line S & I List These are the Signalling and Interlocking Circulars ( S & Is ) that I have identified. It is not necessarily a complete list of relevant diagrams.
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Johnsonville S & I List |
![]() S & I 503, dated 1/6/1938, marked the introduction of Automatic Signalling on the Johnsonville Branch. |
Johnsonville Line Signalling & Interlocking Circulars
Number |
Date |
Cancels |
Cancelled By |
Have Copy |
Notes |
2 |
Mar-1901 |
|
|
y |
Wellington (Lambton). Line to Manawatu Coy's yard. |
2A |
Nov-1902 |
|
|
y |
Wellington (Lambton). Line to Manawatu Coy's yard. |
86 |
Sep-1909 |
|
|
y |
Tawa Flat |
111 |
|
|
420 |
|
Lambton? |
126 |
|
|
451 |
|
Thorndon? |
205 |
|
|
499 |
|
Mentioned in TA 1626 June 1938. Khandallah? |
276 |
Oct-1917 |
|
497 |
y |
Johnsonville |
372 |
|
|
|
|
Thorndon or Lambton? |
414 |
Jun-1924 |
|
|
y |
Ngaio |
420 |
Feb-1925 |
111 |
|
y |
Wellington(Lambton) |
451 |
Oct-1928 |
126 |
474 |
y |
Thorndon. New exchange sidings. Beginning of reclamation/new yard? |
460 |
|
|
Amended by 484 |
|
|
469 |
|
|
474 |
|
Thorndon-Lambton Engine Roads |
472 |
Aug-1933 |
|
484 |
|
|
474 |
Jun-1934 |
451 469 |
Amended by 484 |
y |
Thorndon & Engine Roads to Lambton. Also amends 472 (Lambton) |
477 |
|
|
Amended by 487 |
y |
goods yard - Tawa tablet working? |
478 |
Oct-1935 |
Amends 460 |
479 |
y |
Distant Junction & new yard. Tawa deviation direct to yard (bypasses Distant Junction). |
479 |
Nov-1935 |
478 |
|
y |
Wellington A box & B Box. Thorndon & Lambton stations still in use. Tawa Flat lines not connected at Distant Junction. Thorndon Box still in use. Lambton Box? |
484 |
Jul-1936 |
472 |
|
y |
Wellington Station A Box. New platforms 3,4,5,6 for Hutt trains. Temporary Lambton platforms out of use. See also sketch with TA 1200 (temp single line working during changeover. TA 1200 refers to Signalman Thorndon & Signalman Lambton. Thorndon still used for Johnsonville -Tawa? |
487 |
Nov-1936 |
Amends 477 |
|
y |
Wellington - Tawa tablet working |
490 |
May-1937 |
477 |
|
y |
Wellington - Tawa double track with automatic signalling. Johnsonville-Tawa closed?. Wellington Station opened? |
491 |
|
|
A501 |
|
Distant Junction? |
492 |
|
|
|
|
Wellington? |
494 |
Dec-1937 |
|
503 |
|
Ngaio? |
497 |
Dec-1937 |
276 |
|
y |
Johnsonville - motor points & colour light signals. |
499 |
Jan-1938 |
205 |
503 |
y |
Khandallah - motor points & colour light signals. Up & Down starting interlocked with tablet. |
500 |
Feb-1938 |
|
503 |
|
Johnsonville? |
501 |
|
A491 |
451 |
|
Have text. |
503 |
Jul-1938 |
494 499 500 |
818 |
y |
All of branch. See TA 1626. Tablet working cancelled 3/7/1938. Automatic signalling commissioned from Wellinmgton to Johnsonville. Electric services start 4/7/1938. Ngaio & Khandallah switchout. |
506 |
|
|
|
|
Wellington? |
513 |
|
|
|
|
Wellington? |
527 |
|
|
|
|
Wellington? |
680 |
|
|
|
|
Wellington? |
763 |
|
|
|
|
Wellington? |
818 |
Oct-1960 |
503 |
1122 |
Y |
All of Branch. Johnsonville P1 removed. Raroa Sockyard siding. Khandallah south backshunt removed. |
1122 |
May-1965 |
818 |
1381 |
y |
All of Branch. Ngaio goods siding removed. |
1381 |
June-1969 |
1122 |
1383 |
y |
All of branch. Johnsonville unattended. Ngaio & Khandallah switchout. "Distants" Wadestown to Ngaio renumbererd from "Rn" format to distance based numbers. Wadestown up departure becomes single unit. Ngaio up starter converted to single unit and re-classified as a departure. Loop exit at Wadestown & Ngaio changed from Medium Speed to Normal Speed. 25 Shunt from main signal removed. Ngaio mechanical shunt signal replaced with PI and Arrow Indicator. |
1383 |
Jul-1969 |
1381 |
1840 |
y |
All of Branch. Khandallah now an unstaffed crossing station. Khandallah up starter conmverted to single unit and reclassified as a departure. Up Loop exit at Khandallah changed from Medium Speed to Normal Speed. Signal 25 Shunt from Main removed. "Distants" from Khandallah to Johnsonville changed from "R3" to "nnn" numbering. Johnsonville changes. |
1840 |
Nov-1977 |
1383 |
1924 |
y |
All of Branch. See TA 667, 1451. Stockyard siding gone. Conversion to metric. |
TA 667 |
March-1983 |
|
|
|
Branch shortened (for supermarket?) |
1924 |
Feb 1985 |
1840 |
2398 |
y |
All of Branch. Johnsonville track structures removed. |
2398 |
May-1998 |
2924 |
|
y |
All of Branch. CTC commissioned. Additional departure signals (three-lens) at Wadestown & Khandallah. Low-speed light proves track unoccupied. A-lights removed from Waderstown, Ngaio & Khandallah. |
Last Updated: Sunday, July 24, 2005