Actually, here in the netherlands most children bike to school by age 5, and continue to bike until they are no longer able to. My grandmother biked until 80, s

Actually, here in the netherlands most children bike to school by age 5, and continue to bike until they are no longer able to. My grandmother biked until 80, she never had a drivers license. Before age 5 children sit on their parents' bikes. Handicapped people do use tricycles. I know a guy who lost one of his legs, and he rides on a bike with 3 wheels. There are also bikes that are powered by your arms instead of legs for people who cannot use any of their legs. But what I see in the linked article in the photo as an example of a good bike lane, no way in hell parents are going to let their 5 year olds bike there. It's a death trap from moving cars on the left and car doors on the right. The road is massive (at least 5x wider than the average road here), so there is plenty of space there for proper infrastructure.