Aggregating and segregating multiple digital vehicular repeaters. One exemplary method includes the steps of assigning a first serving digital vehicular repeater from a plurality of digital vehicular repeaters; receiving, via the first serving digital vehicular repeater, a first call request from a first portable subscriber unit; assigning the first call to a first channel; moving the first serving digital vehicular repeater and the first portable subscriber unit to the first channel; and assigning a second serving digital vehicular repeater from the plurality of digital vehicular repeaters.