Description
The project is notable for its "Mid-Corridor Trench", a below-ground, triple-tracked rail line that is 10 miles (16 km) long, 33 feet (10 m) deep and 50 feet wide (15 m), shared by the BNSF Railway and Union Pacific Railroad via trackage rights. The Alameda Corridor allows trains to bypass 90 miles (145 km) of early 20th century branch lines and the Santa Fe's historic Harbor Subdivision along a high-speed grade-separated corridor (mainly built on the alignment of a former SP line), avoiding more than 200 at-grade railroad crossings where cars and trucks previously had to wait for long freight trains to slowly pass. Many of those same rail lines were inadequately protected with little more than "wigwag" crossing signals dating from the original construction of the lines. One important use of the corridor is to take cargo containers to the ports. The corridor has a maximum speed of 40 miles per hour (64 km/h).
Read more about this topic: Alameda Corridor
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