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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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  4. Term of the Dictionary | run-on slab

Term of the Road Dictionary

run-on slab

  • Language : PIARC Road Dictionary / English
  • Theme : Structures Bridges
  • Definition : Slab between the end of a bridge and the approach embankment, which is supported on the back face of the ballast wall of the abutment and on the embankment. Note: as the approach embankment settles, the transition slab adjusts to reduce the irregularity in the road surface [LCPC-IFSTTAR].
  • Synonyms : transition slab / approach slab

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