I was living in Erie, PA at the time, and all we got out of the bike boom was one bicycle lane on 6th Street (PA route 5) from the suburbs out to the intersection leading to Presque Isle State Park.
What did change over those years was the public attitude towards bicycle commuting. I first started commuting in the fall of 1969, using the Schwinn Mark V Jaguar my dad got me for my eighth birthday (which made it an 11 year old bike at that time). Back in the late 60's, the only people you saw using a bicycle to get around as transportation were (using '60's parlance): 1. The mentally deficient (I originally used a word beginning with "r" that was censored by the site), 2. The crazies (in a mental health sense), and 3. Those who'd had so many DUI's that they were never going to see driver's license again - and back then there was no DUI enforcement like we have today.
At my college of 6000 students, there were maybe four bicycles parked in Old Main on a given day. The harassment you got from drivers was incredible. Being swatted with a rolled up newspaper as the car paced you. Being deliberately crowded into a curb. Having stuff thrown at you. All as a joke, of course, and the cyclist was expected to develop a sense of humor.
What came out of the bike boom was a lot more people riding to classes, maybe even to work, daily. Which meant the police had to start treating us as traffic. And drivers, whether they wanted to or not, had to start treating us as part of the traffic flow, too. At one point, I had to write a polite but nasty letter to the bank I dealt with because the tellers in the drive-ins weren't willing to deal with me. I wasn't in a car. To the bank's credit, I received a very nice apologetic reply from the president, and the policy immediately changed.
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Syke
“No one in this world, so far as I know — and I have searched the records for years, and employed agents to help me — has ever lost money by underestimating the intelligence of the great masses of the plain people. Nor has anyone ever lost public office thereby.”
H.L. Mencken, (1926)