10.20.23     MXZ2B: Aggregate a TFL Zonal Matrix into Traffic Boroughs

MXZ2B  matz  matb

Compresses a “zone-to-zone” matrix matz.ufm into a “borough-to-borough” matrix matb.ufm whereby the grouping of zones into “traffic borough” follows the naming conventions used by TfL. See section 5.1.7.2 and 10.2.5.4.