2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/30084In this paper we study dependencies of fundamental diagrams, time gap distributions, and velocity-distance relations on vehicle types, lanes and/or measurement sites. We also propose measurement and aggregation methods that have more favourable statistical properties than conventional methods.For related work see http://www.theo2.physik.uni-stuttgart.de/helbing/Statistical Mechanicstext