Photo: AP

There’s a tendency to think that ride-sharing companies like Uber and Lyft will help seriously reduce congestion in major cities. If that’s the case, San Francisco hasn’t seen it. City officials are now reportedly considering “legal action” against the state of California to obtain location data of records of tens of thousands of Uber and Lyft drivers that, according to the San Francisco Examiner, “may help planners alleviate traffic congestion.”

The Examiner reports that the California Public Utilities Commission has in its possession the location data of “the tens of thousand of Uber and Lyft vehicles on San Francisco streets.” But the commission refuses to hand over the records. From the Examiner:

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“[I] asked the City Attorney to look through legal action with the state PUC and force them to share this information with us,” [San Francisco supervisor Ahsha] Safai said. “The idea that they have data they don’t want to share with a locality that could potentially help us to plan and make better decisions is absurd.”

Safai said he’s not the sharpest critic of Uber and Lyft, like others in San Francisco, but noted some city entities like the San Francisco Municipal Transportation Agency pointed to ride-hails as a source of traffic woes.

Previously, the CPUC told the San Francisco Examiner that Uber and Lyft “mark the data as confidential under Public Utilities Code section 583.”

That section states that no information furnished to the commission by a public utility “or any business which is a subsidiary or affiliate of a public utility, or a corporation which holds a controlling interest in a public utility, except those matters specifically required to be open to public inspection by this part” shall be open to public inspection.

This sort of Ride Sharing Actually Causes Congestion theory doesn’t track at all with recent studies.

A report by MIT researchers released in January, for instance, said a computer model-generated scenario showed that just 3,000 Uber and Lyft vehicles—when utilizing the services’ carpool methods—could replace all of New York City’s 14,000-plus taxi fleet.

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A new study published in the Proceedings of the National Academy of Sciences shows that 3,000 four-passenger cars could serve 94 percent of demand in New York City, while 2,000 ten-person vehicles could fulfill 95 percent of demand—and with an average wait time of just 2.7 minutes and a trip delay of about 3.5 minutes. To make this efficiency a reality, however, most passengers would have to use the carpool feature on their Uber or Lyft apps, requiring them to share their ride with others and make multiple stops along the way.

That’s a hard sell, anyway, as Uber and Lyft’s carpool features aren’t generally liked by drivers or riders.

But as San Francisco’s situation shows, there’s also just a substantially higher amount of ride-sharing service drivers on the road, making it seem damn-near impossible that Uber and Lyft will ever lead to a reduction of congestion.