Alameda Corridor East grade separation trench opens

The lowering of the Union Pacific tracks forms part of a wider programme of grade separations and safety upgrades covering 53 crossings in the San Gabriel Valley.

USA: A 2·3 km long, 9 m deep and 20 m wide cutting built at cost of $313m as part of a grade separation project designed to ease traffic congestion in the San Gabriel Valley east of downtown Los Angeles was officially opened by the Alameda Corridor-East Construction Authority on ...

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