The main characteristics of the Purple Line Bang Phai to Tao Poon section are:
1) Length: 22km.
2) Number of stations: 16 all elevated.
3) Civil structure: Elevated on viaduct.
4) Track gauge 1,435 mm standard gauge.
5) Rolling stock: Steel wheel, heavy rail with initial 3-car configuration, 4 doors per side.
6) Signalling: CBTC based technology.
7) Electrification: 750V DC with third rail collection.
8) Maximum operating speed: 80 km/h.
9) Depot and stabling (at Khong Bang Phai station).
10) Four park and ride facilities.
11) Minimum operational headway: 90 seconds.