Coat of paint on road at regular intervals, beginning on kerb (6)
I believe the answer is:
anorak
'coat' is the definition.
(type of coat)
'paint on road at regular intervals beginning on kerb' is the wordplay.
'at regular intervals' indicates alternate letters.
'beginning on' says to take the initial letters.
The initial letter of 'kerb' is 'k'.
'paint'+'on'+'road'='paintonroad'
The alternate letters of 'paintonroad' are 'anora'.
'anora'+'k'='ANORAK'
'of' is the link.
(Other definitions for anorak that I've seen before include "Protection from the wet" , "Waterproof - unfashionable person" , "Casual jacket with hood and zip" , "Trivia obsessive" , "Garment; studious person" .)