Leave it to a Brit to deliver a mathematical smackdown this courteously.
History may never record which anonymous bureaucrat was assigned to field the following question about London’s protected bike lane network (known there as “cycle superhighways”) submitted to the public agency Transport for London:
Prior to the introduction of cycle superhighway, certain claims were made by TfL on the impact on traffic on Upper Thames St. Congestion now seems to be worse than predicted. Please supply any data or reports on the prediction v. reality. If no analysis has been done, please let me know if it will be and if not, why not. Thank you.
The bureaucrat found while looking up the data for this question that some auto speeds (especially the eastbound evening rush hour) were indeed slower than first modeled, while others (the westbound morning rush hour — so, in most cases the same commuters) came out faster than first modeled:
Click here to read the full article: https://usa.streetsblog.org/2017/11/29/londons-protected-bike-lanes-move-people-5-times-more-efficiently-than-car-lanes/