1962 Uniform Code of Operating Rules – Block and Interlocking Signals

Block and Interlocking Signals

The following signals will appear where conditions require their use. These illustrations give standard indications. Other indications will be shown in special instructions. Lights may be to either side of signal mast, and number plates may be provided for the purpose of identifying location.

Rule Name Indication
281 281 Clear Signal Proceed.
 282 282 Approach Medium Signal Proceed, approaching next signal at medium speed.
 282A 282A Approach Limited Signal Proceed, approaching next signal at limited speed.
 283 283 Medium Clear Signal Proceed, medium speed within interlocking limits or through turnouts.
 283A 283A Limited Clear Signal Proceed, limited speed within interlocking limits or through turnouts.
 284 284 Approach Slow Signal Proceed, approaching next signal at slow speed. Trains exceeding medium speed must at once reduce to that speed.
 285 285 Approach Signal Proceed, preparing to stop at next signal. Trains exceeding medium speed must at once reduce to that speed. Reduction to medium speed must commence before passing signal.
 286 286 Medium Approach Signal Proceed at medium speed preparing to stop at next signal.
 286A 286A Limited Approach Signal Proceed at limited speed preparing to stop at next signal.
 287 287 Slow Clear Signal Proceed, slow speed through interlocking limits or through turnouts.
 288 288 Slow Approach Signal Proceed, preparing to stop at next signal. Slow speed through interlocking limits or through turnouts, medium speed must then not be exceeded until a more favourable indication has been accepted.
 290 290 Restricting Signal Proceed at restricted speed.
 291 291 Stop and Proceed Signal Stop, then proceed at restricted speed.
 291A 291A Grade Signal Trains handling fifty percent or more of ruling grade tonnage approaching a grade signal indicating “Stop, then proceed at restricted speed” may pass it without stopping and proceed at restricted speed.
 291B 291B Station Protection Signal Stop, then proceed at restricted speed and preceeded by a flagman when necessary to ensure full protection.
 292 292 Stop Signal Stop
 293 293 Take (or leave) siding signal Be governed by signal indication. Take (or leave) siding when “S” lighted or light flashing.

Recent Posts

The WRMRC and the Waterloo Railway Expo

If you’re a railway enthusiast of any variety living in southern Ontario, it would be surprising if have not heard of the Waterloo Railway Exposition by now. No matter if you have a passing interest in model trains to being a hardcore prototype modeller, or whether you’re furtive rail enthusiast to being a full-on raving foamer; all the advertising, flyers, social media posts, and word-of-mouth over the past year have likely made the event known to you. Regardless of your level of interest, you’re all invited over August 29-30 2026 for what will be a memorable weekend with plenty for everyone to see and do.

The Waterloo Rail Expo will feature a fantastic range of activities and attractions, including:

  • Prototype model displays – at it’s heart this is an RPM (railway prototype modelling) meet featuring detailed railway equipment models and scenes
  • Vendors – offering locomotive and rolling stock models and accessories, model kits, scenery items, electronics, rail historical societies and more – full list here
  • Clinics and demonstrations – covering Canadian rail history, layout modelling techniques and operations, 3D printing, steam preservation from inside a boiler, what it’s like working for the railway, and much more
  • Speeder car rides, where else in Ontario do you get a chance to drive a restored Fairmont speeder car?
  • A fascinating railway shop tour – take a ride on a Waterloo Central shuttle train and get a behind-the-scenes look at their restored railway equipment and the work behind it all – scroll down for times
  • A memorable steam train excursion, giving visitors the chance to experience the sights, sounds, and atmosphere of a working steam locomotive
Shop tour at the Waterloo Central Railway’s restoration centre in St Jacobs ON

As part of your visit, on Day-2 of the Expo – Sunday August 30th – be sure to stop by the WRMRC – CP Sudbury Division club and explore our layout. Club members will be on hand to answer questions, share stories, and explain how the layout was designed, built, and is operated. It’s a great opportunity to discover the creativity and craftsmanship behind the hobby.

If you’re a repeat visitor from the Doubleheaders Tour this past spring, we already have new things for you to see this time around. Aside from the continuing new benchwork and track-laying we’ve been doing to the Levack and Verner scenes on the second floor level, we’ve begun working on the last link in our Cartier Sub mainline – the benchwork for the Markstay passing siding. If you’re looking for new scenic additions on the operating portion of our layout, we’ve installed the Spanish River bridge on the Webbwood Sub, and that forced us to start working on the backdrop for McKerrow, Ontario as well.

Our newly installed 1:87 scale bridge over the Spanish River near McKerrow ON
The real Spanish River bridge – photo courtesy of Peter Baumgarten

Even if you’re only interested in the RPM Meet on Day 1 (Sat. August 29th) – our WRMRC layout tour the following day is covered in the price of admission. So drop in anytime between 10AM to 4PM and catch up on the latest developments.

Again – there’s something for everyone at the Waterloo Rail Expo, from beginners looking for inspiration to experienced modellers hoping to meet fellow enthusiasts and pick up new ideas. Bring the family, browse the displays, chat with exhibitors, and enjoy a full day – or an entire weekend – surrounded by railroading.

We’d love to welcome you to the club and show you what we’re working on. Come along, bring your questions, and enjoy the excitement of the Waterloo Rail Expo!

We look forward to seeing you there!

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