On 25 January 2019, the Land Transport Authority (LTA) announced that Serangoon North station would be part of the proposed Cross Island line (CRL).

[1][2][3] However, the restrictions imposed on construction works due to the COVID-19 pandemic led to delays and the CRL1 completion date was pushed by one year to 2030.

[4] On 13 January 2022, the LTA awarded Contract CR113 to Hock Lian Seng Infrastructure Pte.

Construction works for the station and tunnels are scheduled to begin in the first quarter of 2022, and are expected to be completed by 2030.

The station is located near the vehicular interchange of Ang Mo Kio Avenue 3 and Yio Chu Kang Road, which had to be diverted through various phases to facilitate construction works.