Talk:Concrete step barrier

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Why are they asymetrical? What is the purpose of the below the ground section and why is it not on both sides? Are these safer for motorcycles? 92.232.36.159 (talk) 15:17, 31 October 2008 (UTC)[reply]

The below ground section you refer to is actually a drainage channel. It only needs to be on one side of the barrier, depending on the elevation and camber of the road. Williamstroker (talk) 18:41, 21 December 2008 (UTC)[reply]