Eventually, installation of the half-height platform screen doors started on 26 August 2009 and operations commenced on 2 December that year.

[12] On 16 April 2003, power supply to trackside equipment between Yio Chu Kang and Sembawang stations was disrupted at 8:02 am due to a lightning strike which affected eight point machines along the track.

[13] In February 2007, a leaked CCTV footage of the incident along with another at Admiralty station began circulating on the Internet, with the man in question crawling from under the platform and onto the track as the train approaches,[14] leading to suggestions that it was a case of suicide.

[16] Police arrested a 31-year old Chinese man believed to be linked to the crime on 23 February that year at 4:00 pm.

Train service was disrupted in between Sembawang and Yio Chu Kang stations, affecting 2,900 people.