Politicians can't bear to do away with a cash cow.
“When the Oakland Bay Bridge connecting San Francisco with Oakland was built, the public was promised that the tolls would be phased out once the bridge was paid for. Although it has been paid for many times over, the tolls remain continue to increase.”
Yes, and those initial tolls were 25 cents! Now, half if that bridge has been replaced because it “wasn’t earthquake safe,” and the tolls are $6.00! And thanks to the lack of off-ramp infrastructure on both ends, at commute time it’s almost complete gridlock.