Los Angeles Subway Renovation Project

Generally, XIID sleeper is suitable for the ballasted track with a standard rail gauge of 1435 mm. It's used for radius ≥300 m of curve track and direct track and applies to steel rails of 50 Kg/m or 60 Kg/m. The fastener matched is Type II elastic strip.

Steel sleeper can provide lower installation and maintenance costs and more efficient logistics that are designed to cater for all types of application, from meter gauge railways to mainline passenger and heavy haul freight routes.

Generally, IIIa sleeper is suitable for the ballasted track with a standard rail gauge of 1435 mm. It's used for radius ≥300 m of curve track and direct track and applies to steel rails of 60 Kg/m or 75 Kg/m. The fastener matched is Type II elastic strip.

Ballasted turnout sleeper is mainly used for general routes and trans-regional welded rail track traffic, with a standard rail gauge of 1435 mm. It allows the maximum speed 120 Km/h, and applies to steel rails of 50 Kg/m or 60 Kg/m.