Sunday Telegraph Cryptic 2638

[Alphonse3]

4d?

[dannyk13]

What is the clue and how many letters?

[boxtops]

clue??????? Or do we have to guess that too?

[emeritus]

Artery

[emeritus]

Starts off in car at very important part of road system (6)

[Lie-in King]

Hi Alphonse3 & welcome to AB! It's always preferable to post the full clue, number of letters & any you've placed, so that people without the puzzle can more readily help you. The following links should be of assistance in this regard -

http://www.theanswerb...r-crossword-question/

http://www.theanswerb...d-puzzles-guidelines/

That said -

4d Starts off in car at very important part of road system (6)

Artery - (starts - 1st letters - off) '(c)AR (a)T (v)ERY'

[Alphonse3]

Many thanks Lie-in King for your help and guidance. My apologies to all those who took the trouble to reply.