Kyneton Police have questioned a 35-year-old man in relation to an alleged indecent assault on a train on Sunday afternoon. 

The alleged assault occurred about 4.30pm.

Kyneton acting Senior Sergeant Damian Keegan said the man had been released pending summons. 

"He has allegedly assaulted a middle-aged woman on a train and as a result, police were notified and arrested him at the Woodend Train Station," he said. 

"He will face court at a later date." 

Witnesses who can provide police with any further information are asked to contact Kyneton Police on 5421 2900.