line at Dhoby Ghaut station) through the North South line (NSL) at Choa Chu Kang station (NS4) located at Choa Chu Kang Town Centre. It usually takes an hour for passengers to travel from Choa Chu Kang to the Central Area which changes at Jurong East. The intra-town Bukit Panjang LRT is a 7.8 km light rail line that serves to link residents to the town centre and the nearby town of Bukit Panjang, hence the line's name. It is a fully driverless system. Yew Tee station (NS5), the other station along NSL in Choa Chu Kang New Town, serves the housing developments in Yew Tee, the industrial estate of Sungei Kadut, and the northern part of Choa Chu Kang New Town. The station started operations on 10 February 1996. Like Choa Chu Kang, it usually takes an hour for passengers to travel from Yew Tee to the Central Area when using the station which changes at Jurong East. Bus services Bus services are available at the Choa Chu Kang Bus Interchange which is connected to the Choa Chu Kang MRT/LRT station and the town's central shopping mall Lot One Shoppers' Mall. It was opened in 1990 with 12 bus services under SBS Transit and at their own Choa Chu Kang Bus Package, all handed over to SMRT Buses in 1999. On 16 December 2018, the interchange was relocated to a new facility at the junction of Choa Chu Kang Way and Choa Chu Kang Loop, with the old interchange being demolished due to the construction of the Jurong Region Line. All services were amended to the new interchange on that day. The bus interchange currently has 15 services; 14 are public bus services (mostly operated by SMRT Buses, the other a special free shuttle to Qian Hu Fish Farm. Typically passenger traffic is often very high in morning and evening peak hours. Bus services were introduced over the years in Choa Chu Kang: 25 April 2015: Service 983 was introduced from Choa Chu Kang to Keat Hong Close, and extended on 27 December 2015 to Bukit Panjang. 27 December 2015: Service 979 was introduced from Bukit Panjang to Yew Tee. 15 May 2016: Service 308 was introduced from Choa Chu Kang to Keat Hong Link (Loop). 8 April 2018: Service 974 was introduced from Bukit Panjang Temporary Bus Park to Joo Koon. 30 September 2018: Service 991 was even