Standard Sleepers The most popular and commonly used sleeper by far. They are treated with creosote and are best applied wherever longevity and durability are the key requirements. The creosote treatment means the rules on the previous page apply at all times , but they are fine for any and every other purpose. These are just about the best value-for-money pieces of timber you will ever find.   comes in random lengths up to 8ft - 8ft 4" 10” wide (250mm) 5” thick (125mm) Copyright © 2011 railwaysleepers.co.uk All Rights Reserved Designed and Hosted by AH Marketing