Track gauge

Standard Gauge (1.435 m)

Single track or Double track

Single track

Speed (freight)

100kph for containerized freight

Speed (passengers)

120 kph for passengers

Permanent speed restrictions 

None except under exceptional circumstances of sharp curvature

Axle loading

25t 

Trailing load

4000tonnes per train

Structure Gauge

Chinese structure gauge for double track and double stack well wagons and double-decker passenger coaches and overhead 25 kV 50 Hz electrification

Crossing loops

880 m long spaced not more than 20 km

Gradient

1.20% maximum

Horizontal curvature

1,200 m radius

Vertical curvature

10,000 m radius maximum

Rails

50 kg/m (100 lbs/yd) continuously welded

Sleepers

Pre-stressed Monoblock concrete at density of 1,667/km i.e. spacing of 600mm

Rail fastenings

Elastic

Ballast

Crushed rock at least 300 mm thick

Sub-ballast

Compacted gravel at least 200 mm thick

Main line turnouts

50 kg/m rail suitable for 100 kph on concrete bearers, maximum angle 1-in-16

Traction 

Overhead AC Electric traction

Freight stock

Double-stack well wagons with 80t payload

Passenger stock 

Double-decker passenger coaches

Signaling

automatic

Level crossings

None

Fencing of railway corridor (reserve)

Preferably along entire corridor. However, to reduce investment cost, initially fencing to be used in only urban (and other densely populated) areas and reinforced concrete boundary markers elsewhere.

Return period for drainage structures

300, 100 and 50 years for major, medium and minor structures respectively