The Honolulu Authority for Rapid Transportation said Friday that it has collected $1.3 billion in General Excise Tax surcharge revenue so far to pay for Honolulu’s $5.16 billion elevated rail project, including $49.5 million that it received during the second quarter of 2014. The half-percent surcharge on the GET is expected to pay for about 70 percent of the rail’s cost. During the second quarter of 2013, HART collected about $50.3 million, said Dan Grabauskas, the CEO and executive director…