BikeButler suggests an impossible/unsafe route on Highway 99

[kelliemac]

Hello! I learned about BikeButler through a LinkedIn post from UW, and I am very excited about it. I decided to test it out on my own bike commute in Seattle, and I discovered that with the "Fast and Loose" profile, it suggests that I bike on Highway 99 (Aurora Ave), which should NEVER be suggested for ANY cycling route, as it has no infrastructure or space for bicycles and is completely unsafe.

I think the codebase should be updated to exclude all potential routes on multi-lane highways.

[kelliemac]

I also think that there should be an option to exclude major arterial roads without bike infrastructure (for example, 85th St in Seattle, which is two lanes in each direction and on a truck route). Both BikeButler and Google Maps tend to still suggest biking there, though - where there is an easy alternative option on 83rd St and an official greenway.