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Old networks can hobble IoT, even in tech paradise

Stephen Lawson | Jan. 11, 2017
AT&T's shutdown of its 2G network has disrupted San Francisco's transit predictions system

Systems like NextMuni that were designed in a different technological age don't usually allow for swapping in new cellular modules, said Peter Jarich of Current Analysis. “No one back then had any idea,” he said.

San Francisco’s high-tech transit plans for its nearly US $12 million grant will bring some of the region’s tech stars together with government, a relationship that hasn’t always been cozy.

Among other things, SFMTA wants to set aside more carpool lanes and tap into services like Uber and Lyft to get more commuters sharing cars. It also plans to test wireless DSRC (Dedicated Short Range Communication) to coordinate traffic lights with transit and emergency vehicles.

On Treasure Island in San Francisco Bay, the city will set up an electronic toll-collection system that can be adjusted for traffic levels, and it plans to test autonomous electric shuttles to carry people around the island.


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