This week Phoenix is hosting a “Bike to Work Day” event in conjunction with Maricopa County to promote cycling as an alternative method of commuting. But is biking or walking to work feasible for the average Valley worker? According to the 2012 Urban Mobility Report, released by Texas A&M’s Transportation Mobility Institute, the Phoenix metro area has a Freeway Planning Time Index of 3.19, which means that, in general, drivers should plan for 63.9 minutes for every 20 minutes of travel time…