The DI-NEARP instance definitions can be found, as a zip-file here.
For the Upper Bound values in blue, you get the detailed solution by clicking on the value.
BHW - Lukas Bach, Geir Hasle, Sanne Wøhlk: A Lower Bound for the Node, Edge, and Arc Routing Problem. Computers & Operations Research 40 (2013) 943–952.
DDHI - M. Dell'Amico, J. C. Díaz Díaz, G. Hasle, M. Iori. An Adaptive Iterated Local Search for the Mixed Capacitated General Routing Problem. SINTEF Report A26278. 2014-05-16. ISBN 978-82-14-05361-6.
HKSG - G. Hasle, O. Kloster, M. Smedsrud and K. Gaze, "Experiments on the node, edge, and arc routing problem. ," Technical report A23265, SINTEF, May 2012. ISBN 978-82-14-05288-6 (444 KB).
Published June 22, 2012