Honestly, not sure what planet you lot live on, but living in Bath, when you look at where people in the city commute to work by cycle the most, it comes down to having access to a good traffic free route (River path) into the city centre.
http://datashine.org.uk/#zoom=14&la...TTT&table=QS701EW&col=QS701EW0010&ramp=YlOrRd
You may be happy with riding in traffic, but you will never win the argument that it's something the average person will want to do.
It will be interesting to see the effect the two tunnels has on bike use in the next census.
Start putting yourself in the position of a 10 year old kid trying to ride to school. Then ask yourself, is what we have good enough.