Below is a video from the 12d Model Training Webinar Series, which helps to demystify
Track Terminology.

The Webinar is presented by Alisdair McCrudden of 12d Model.

To view other 12d Model Track training webinars please click here.

To view other 12d Model Webinars, please visit the 12d Model Website:

Summary of Video

02:08 Summary of Rail Design and some commonly used terms

02:47 Typical cross section through a rail embankment and track

03:43 Gauge

06:33 Design Centreline

06:54 Cant

09:27 “Intersections” – i.e. ‘cross overs’ and ‘turn outs’, as they’re known in rail design

11:46 Curve Compensation

13:42 A MTF Snippet to produce a decisional cut and fill ‘template’

15:49 Fill Situation

17:18 Cut

19:40 Potential issues that may arise with Snippets

20:27 The Snippet in action in 12d Model – in a rail project