Culture

Futuristic downtown San Jose rail and transit hub might cost billions


Street-level and elevated options for a future rail and transit hub in the area of the Diridon train station and SAP Center at 65 Cahill Street near West Santa Clara Street in downtown San Jose, concept. View is from the high-speed rail platform. (Mott MacDonald)

SAN JOSE — A wide-ranging plan to usher in a dramatic revamp of the area around a historic train station in downtown San Jose might cost billions of dollars to develop, fresh plans on file with local transit officials show.

The proposals take an early peek at three major alternatives for a modern transit hub that would sprout next to the existing Diridon train station near the corner of West Santa Clara Street and Cahill Street in San Jose.

Street-level and elevated options for a future rail and transit hub in the area of the Diridon train station and SAP Center at 65 Cahill Street near West Santa Clara Street in downtown San Jose, concept. View is from the high-speed rail platform. (Mott MacDonald)
Elevated option for a future rail and transit hub in the area of the Diridon train station and SAP Center at 65 Cahill Street near West Santa Clara Street in downtown San Jose, concept. The existing Whole Foods Market is visible to the left. (Mott MacDonald)

The Diridon Station Joint Policy Advisory Board, which the Santa Clara Valley Transportation Authority established, has received a report with three major options for how a future BART line and anticipated high-speed rail link might connect to a proposed modern transit hub across the street from the SAP Center.

“The approximate cost range of the three alternatives is $2.5 billion to $13 billion,” according to a report prepared by Marian Lee and Melissa Reggiardo, who are affiliated with Caltrain. Lee is a public relations executive and Reggiardo is a Caltrain planning manager.

Future rail and transit hub in the area of the Diridon train station and SAP Center at 65 Cahill Street near West Santa Clara Street in downtown San Jose, concept. View is south across Cahill Plaza. (Mott MacDonald)
Elevated station platform within a future rail and transit hub in the area of the Diridon train station and SAP Center at 65 Cahill Street near West Santa Clara Street in downtown San Jose, concept. An ACE train is visible to the left and a Capitol Corridor train is on the right. (Mott MacDonald)

Here are the three alternatives and their key components:

— Elevated option. Elevated tracks with a ground-level concourse.

— At-Grade option. Tracks are at the street level and the concourse is “slightly below” the street level. The at-grade option attempts to replicate the elevated option yet still avoids raised tracks.

— Stacked option. The concourse would be below the street level and the tracks would be split. The high-speed rail line would be elevated while other rail lines would run at street level.

“All alternatives offer a similar passenger experience at the station,” the report states. “The passenger enters the concourse and goes up the vertical circulation to access the heavy rail tracks and (San Jose International Airport) connector and down for light trail transit.”

It wasn’t precisely clear how the BART tracks would connect to this new transit hub.

“Access options to BART Silicon Valley continue to be evaluated,” the report stated. Two options envision an underground connection to BART while one option indicates …read more

Source:: The Mercury News – Entertainment

      

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