Decades in the making, Honolulu Authority for Rapid Transportation debuts the first phase (Aloha Stadium to Kapolei’s Kroc Center) of its “Skyline” rail service. It’s celebrating with free rides from June 30-July 4. The track will eventually span nearly 19 miles and 19 stations, with phase 2 (Aloha Stadium to Daniel K. Inouye International Airport) due in 2025, and phase 3 in 2031.