Crossword Genius

Approaching, pull along a road (6)


I believe the answer is:

I'm a little stuck... Click here to teach me more about this clue!

'approaching' is the definition.
Both the definition and answer are adjectives.
Perhaps they are linked in a way I don't understand?

'pull along a road' is the wordplay.
'pull along' becomes 'tow' (towing is a kind of pulling along).
'road' becomes 'rd' (abbreviation).

Can you help me to learn more?

(Another definition for toward that I've seen is "In the direction of".)

I've seen this clue in Sydney Morning Herald.