Choa Chu Kang MRT/LRT Station (NS4/BP1) is a Mass Rapid Transit (MRT) and Light Rail Transit (LRT) interchange station in Choa Chu Kang, Singapore. It is the fourth station of the North South Line and the terminus for the Bukit Panjang LRT. The station is accompanied by the Choa Chu Kang Bus Interchange and the Lot One, which serves as a major shopping centre for residents living in Choa Chu Kang. It is located in the southern and central part of Choa Chu Kang, on the northwest side of Singapore. The station mainly serves the town centre and the surrounding residential estates.