The Board of
Railway Commissioners for Canada.

Order no. 2105

Thursday, the 29th of
November, A.D. 1906

The Rules and Regulations of the Board as approved Oct. 18, 1904, are amended by striking out all the paragraphs under the heading Interlocking System, and immediately preceding the heading General Requirements, and substitute therefor the following:

Interlocking system

Rules governing the use of interlocking and derailing signals and speed of trains where one railway crosses another at rail level, or where a railway crosses a drawbridge.

  1. The normal position of all signals must indicate danger.
  2. When the distant semaphore indicates caution, the train passing must be under full control and prepared to come to a full stop before reaching the home signal.
  3. When the home signal indicates danger, it must not be passed.
  4. When clear signals are shown where one railway crosses another at rail level, the speed of passenger trains must be reduced to 35 miles an hour, and freight trains to 20 miles an hour until the entire train has passed the crossing.
  5. When clear signals are shown where a railway crosses a drawbridge, the speed of passenger trains must be reduced to 25 miles an hour and the speed of freight trains to 15 miles an hour until the entire train has passed the drawbridge.