Direct transport (5)
I believe the answer is:
train
This clue is a double definition.
'direct' is the first definition.
(I know that direct can be written as train)
'transport' is the second definition.
(train is a kind of transport)
(Other definitions for train that I've seen before include "Railway engine" , "Coach - coaches with engine" , "Learn a skill etc. through practice" , "Teach (person) a skill" , "Locomotive or part of bride's dress" .)