Traffic at Raleigh-Durham International Airport continues to increase.
A total of 470,764 passengers boarded at RDU in March, bringing the total for the first three months of 2017 to more than $1.2 million. That’s a 6.5 percent increase from the same time period last year, according to numbers released by the RDU Airport Authority.
The accompanying gallery features RDU’s top five destinations for nonstop flights .
And many of those passengers park at the airport during their trips, contributing…