2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73740We give a combinatorial description of the stationary measure for a totally asymmetric exclusion process (TASEP) with second class particles, on either Z or on the cycle Z_N. The measure is the image by a simple operation of the uniform measure on some larger finite state space. This reveals a combinatorial structure at work behind several results on the TASEP with second class particles.13 pagesProbabilityCombinatorics60K35; 60C05text