TRAINS on the Joondalup Line will be cancelled nightly between Whitfords and Butler stations next week.
The closure from Sunday, September 22 to Thursday, September 26 is to facilitate maintenance and signals works.
The last full-line services on Sunday night will depart Perth Underground to Butler at 7.45pm and to Clarkson at 8.15pm, and depart Butler at 8.33pm.
On weeknights, the last full-line services will depart Perth Underground to Butler at 8.08pm and to Clarkson at 8.23pm, and depart Butler at 8.41pm.
Train replacement bus Route 904 will run while trains are cancelled.