... jonhumphreys posted: 25 Jul 2010 22:18 from: Martin Wynne Hi Jon, That's an impressive plan. Thanks for uploading it. Unfortunately you have made a serious mistake in having several of the tracks too close together. Trains on one track will hit trains on the other track. For 00 gauge the normal centre-to-centre distance is 50mm. The minimum spacing in accordance with prototype practice to give a running clearance is 44.67mm centres in 4mm/ft scale. Some of your tracks are only 33mm apart: 2_251711_330000000.png You can check the clearances using the spacing-ring tool, or by means of the ruler tool (tools> menu items), as shown above. There are some detailed notes on the spacing-ring dialog if you click the ?help button. regards, Martin. posted: 26 Jul 2010 08:12 from: jonhumphreys Thanks for that Martin, I was aware some were a little close, but had not found/worked out/looked for a method of measuring them. I overlaid the track on ...