Here is a good technical overview of the problem from an RTD staff presentation about a year ago:
[
rtd.iqm2.com]
Their latest interactions with FRA (docket FRA-2016-0028) are documented here:
[
www.regulations.gov]
The complaint for the recent lawsuit (linked in the news article) makes an interesting read.
Bike “Nazis” have next to nothing to do with it.