https://subsite.kk.dk/sitecore/content/Subsites/CityOfCopenh...
"How fast can you travel through town by bike and car? The average travelling speed in Copenhagen is 15.5 km/h for cyclists and 27 km/hour for cars. In places with green wave for cyclist the average speed is 20.72 km/h."
It seems like Copenhagen is an especially unfriendly car environment.