Road Tunnels Manual - World Road Association (PIARC)
Published on Road Tunnels Manual - World Road Association (PIARC) (https://tunnelsmanual.piarc.org)

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Carriageway geometry

 

 

 

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Source URL: https://tunnelsmanual.piarc.org/en/strategy-and-general-design-construction-and-geometry/carriageway-geometry