Alignment
The Tao Pun - Khlong Bang Phai section starts from the Tao Pun elevated station at Tao Pun junction, where it transfers to the MRT Blue Line extension. It runs north on a viaduct along Krung Thep-Nonthaburi Road, providing transfer to the Red commuter railway at Bang Son railway station, and approaches Mueang Nonthaburi District of Nonthaburi Province. The line goes further north via Tiwanon Road, passes the Ministry of Public Health, then turns at the Khae Rai intersection to west Nonthaburi via Rattanathibet Road, passes the Nonthaburi Government Centre, crosses the Chao Phraya River on a viaduct parallel to the Phra Nangklao Bridge. Then it continues to a large residential area in Bang Yai District and turns to the north along the Kanchanaphisek Highway, passes Bang Yai market and terminates at Khlong Bang Phai in Bang Bua Thong District. The total length is 23 kilometres (14 mi).
Read more about this topic: MRT Purple Line