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Railroad Passenger Car Waste Retention Systems

Amtrak presently is permitted to dump untreated waste from passenger train toilets and washing facilities directly onto the track. Older cars (predating Amtarak's formation in 1970) have no capability to retain waste. Recently constructed cars are fitted with either full-retention, or short-term...

Construction Loads Experienced by Plastic Composite Ties

Damage to plastic composite ties during handling and track installation has been reported by a number of railroads. Results from a survey conducted to identify specific handling issues were used to develop field and laboratory tests to measure the loads plastic composite ties are subjected to...