Term Details

Display Hierarchical | Alphabetical | KWOC | KWIC

Top Terms > Facilities > Transportation, hydraulic and utility facilities > Highway facilities > Roads > Parts of roads > Traffic lanes > Speed change lanes

Find related records

Search with TRT term only:

TRB Publications Index
Research in Progress

Expanded search with
narrower TRT terms:

TRB Publications Index
Research in Progress

Speed change lanes (Pmrcpmt)

Auxiliary lanes, including tapered areas, primarily for the acceleration or deceleration of vehicles entering or leaving the through traveled way. (Source: AASHTO Glossary)
Broader Term
Traffic lanes (Pmrcpm)
Narrower Terms
Acceleration lanes (Pmrcpmtb)
Deceleration lanes (Pmrcpmtd)
Passing lanes (Pmrcpmtp)
Related Terms (Hierarchical)
Approach lanes (Pmrcpma)
Auxiliary lanes (Pmrcpmb)
Bicycle lanes (Pmrcpmc)
General purpose lanes (Pmrcpmd)
Climbing lanes (Pmrcpme)
Contraflow lanes (Pmrcpmg)
Downgrade lanes (Pmrcpmh)
Express lanes (Pmrcpmi)
High occupancy vehicle lanes (Pmrcpmj)
Lane drops (Pmrcpmk)
Managed lanes (Pmrcpml)
Median lanes (Pmrcpmm)
Reversible traffic lanes (Pmrcpmr)
Truck lanes (Pmrcpmv)
Turning lanes (Pmrcpmx)