A nice article and sample itinerary. I also want to give a special shout out to our friends at Grouseland Tours (https://www.grouseland.com/ )
https://www.ajc.com/news/travel/biking-great-allegheny-passage/nTF6K/
Researchers Find Link Between Autism and Traffic Pollution
by Angie Schmitt, Streets Blog
One more reason to reduce driving: Exposure to high levels of traffic pollutants may increase the risk that children will develop autism, according to a study published recently in the Archives of General Psychology.
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The study found that autistic children and their mothers were twice as likely to live in high-pollution areas during pregnancy and the first year of life, controlling for other factors.
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https://dc.streetsblog.org/2012/11/27/researchers-find-link-between-autism-and-traffic-pollution/