Term of the Road Dictionary
- 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