I don't know Phoenix at all so don't have any opinion whether the light rail system there makes any sense (I mean, over and above my general feeling that they should be built everywhere), but I loved this from a hater:Oh the horror!!!
You might have to walk blocks!
- I can't wait for all the complaints we'll hear once the temperature is 110 degrees . . . and the riders find no shade (has anyone looked at those useless wings provided for shade?) while waiting and, worst of all, will have to walk blocks to get where they want to go.
H/T SF Bike Blog