So far so good - travel time has decreased, BART ridership increased, though carpools have dropped by 30%, though Metropolitan Transportation Commission officials stress the results are preliminary.
From San Jose Mercury News: Traffic delays ease on Bay Bridge with higher tolls: "Data released (July 28) by the Bay Area Toll Authority found that delays in reaching the toll plaza from nearby freeway ramps have fallen from 19 minutes to 10 minutes around 7:30 a.m."
Thanks to MTC Headlines