Improving the cyclability weight in bike profiles

[chaupow]

We added the cyclability weight to OSRM's default profile for users that prefer safe routes over fast routes.

I would like to improve/work on this profile:

Specific Use-Cases

Flatbush Avenue, NYC

• Flatbush Avenue in NYC is a 6 lane road and not preferred for biking.

• osrm-frontend request:

  http://localhost:9966/?z=16&center=40.687212%2C-73.979788&loc=40.690287%2C-73.981826&loc=40.683551%2C-73.978908&hl=en&alt=0
  

• current behaviour
  

• desired behaviour is something similar to this
  

Hamilton Avenue, NYC

• I am pretty sure cycling on Hamilton Avenue is not safe at all

• osrm-frontend request:

  http://localhost:9966/?z=16&center=40.668351%2C-73.995452&loc=40.664526%2C-73.995495&loc=40.670784%2C-73.996933&hl=en&alt=0
  

• current behaviour
  

• desired behaviour is something similar to this