Arizona transportation leaders are smiling after a handful of positive decisions this week. First, the U.S. Senate has given transportation funding a six-year DRIVE, passing the Developing a Reliable and Innovative Vision for the Economy Act. That bill still has to go through the House of Representatives. Out here in the west, Arizona Senators John McCain and Jeff Flake both touted that DRIVE includes provisions for both the Sonoran Corridor Interstate Development Act of 2015 and the Intermountain…