The most common and most likely answer to this crossword clue is the 9 letter word LOCOMOTOR
I've seen this crossword clue in Financial Times
L
O
C
O
M
O
T
O
R
More clues leading to the result LOCOMOTOR
Buddy explains!

The straight part
We know that "One going places" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one going places = locomotor.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LOCOMOTOR mean?
LOCOMOTOR noun- Something that is capable of locomotion.
- Of or pertaining to movement or locomotion.