After extensive technical delays and bureaucratic bickering, Siemens recently installed a computerized system for the L train that allows the line to operate 33 trains per hour, up from 28.

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After extensive technical delays and bureaucratic bickering, Siemens (nyse: SI - news - people ) recently installed a computerized system for the L train that allows the line to operate 33 trains per hour, up from 28.

FORBES: Traffic Busters