1. Turner-Fairbank Highway Research Center (TFHRC), SES Group and Associates, LLC, McLean, VA 22101, USA (Corresponding author), e-mail: luca.montanari.ctr@dot.gov, http://orcid.org/0000-0002-2886-9096
2. American Engineering Testing, Inc., 550 Cleveland Ave. N., St. Paul, MN 55114-1804, USA
3. Turner Fairbank Highway Research Center, SES Group and Associates, LLC, 6300 Georgetown Pike, McLean, VA 22101, USA, http://orcid.org/0000-0002-6358-0810
4. Turner Fairbank Highway Research Center, Federal Highway Administration (FHWA), 6300 Georgetown Pike, McLean, VA 22101, USA