encyclopedia

SKETCH PLANNING

A transportation analysis procedure that is simpler, faster, and cheaper than using a full procedure and that typically requires less detailed input and provides less specific output. (TRB)

SKIMMED TREE (SKIM TREE)

In planning, a series of records, compiled by using data obtained from the tree records, that list the minimum travel time, cost, or distance between each pair of zones. (TRB)

SKIP-STOP SERVICE

A type of express service in which buses skip alternate stations or stops to provide faster service along routes.