If your city street is packed with cars like image (1) you might think that the 'disused' cycle path might be a waste of space.
But you would be wrong - As figure 2 shows the actual density of a 4 lanes of bumper to bumper traffic is quite low. Figure 3 shows what this look likes as a bus, but for this blog figure 4 looks 'quite' but (Photo credit: Phil Sheffield, Tampa Tribune