Streams

The MTA Head and His Aging Doohickey

Wednesday, February 04, 2009

Doohickey

MTA chief Lee Sander has a nifty little gimmick he employs whenever he speaks in public these days. It's a crusty, cylindrical device that he hefts up in the air whenever he needs to impress upon people just how decrepit our subway system is. Sander spoke at an event organized by the Greater New York Construction User Council.

SANDER: Because of my concern about the lack of advocacy for the capital program--again the political process tends to focus on the draconian fare increases and the service cuts--I've been bringing along this friend with me to these speaking engagements... (hoists device) This is Mike. And this is a signal relay. It looks really modern, right? Cutting edge? Right, right? We just pulled this out of our Queens Boulevard-Hillside Avenue line. And I had been talking about our signal system being from the 1930s. When we pulled this out, we saw that it was patented in 1912.

That signal - using technology that's nearly a century old - is used across the five boroughs. Only the L line uses more modern signals, which is also how stations on the L line have those customer information screens that tell you when the next train is coming.

But the main benefit of a better signaling system - the one the MTA has in mind is called Communications Based Train Control, or CBTC - is that it would allow for more trains to run on any given line in a given hour. Currently, a line can handle 27 trains within an hour, during rush hour. According to MTA spokesman Aaron Donovan, that would go up to 30 trains per hour under CBTC: that's 4500 more riders.

The difference is this: under the current system, the switches activate lights--much like regular traffic lights--which tell drivers to stop or go. That eyeballing method would give way to a more automated system under CBTC, and would allow more trains to be squeezed in, without requiring the construction of additional lines.

In the MTA's next capital plan, still not released, the 7 line would also get new signals, followed eventually by the lines along Queens Boulevard. But this brings us back to Lee Sander's plea for more funds: the capital plan would cost $30 billion, and so far the state hasn't identified any funding.

For more background... check out my colleague Beth Fertig's 2007 foray into the deep dark world of subway signals:

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Comments [2]

westvillage

biggest, WORST and DIRTIEST subway system in the world.

Feb. 05 2009 10:39 AM
Michael Barrett

Any time the L train's customer information screens are mentioned, one should not neglect to note that they still do not work and are unreliable for passengers. MTA needs to hire German and Japanese consultants if they want to get the subway system to work efficiently.

Feb. 04 2009 01:57 PM

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