1. College of Civil and Transportation Engineering, Hohai University1 Xi Kang RoadNanjingPeople's Republic of China
2. Department of Civil & Environmental EngineeringNational University of Singapore21 Lower Kent Ridge RoadSingaporeSingapore
3. School of Transportation, Southeast University2 Southeast University RoadNanjingPeople's Republic of China
4. Department of Civil and Environmental EngineeringUniversity of Wisconsin‐Madison1415 Engineering DriveMadisonUSA