wrcog adopted february 6 2006 tumf nexus study 2005 update 50 8 0 appendices the following incorporate extent of materials used to support development and where appropriate specifically respective also an explanation methodology assumptions develop various elements these represent a compilation derived from variety technical resources each relate specific element are as follows appendix list committees b western riverside county population employment growth 2000 2030 c traffic d transit person trips e regional system highways arterials performance measures f network cost g disposition change requests h estimate evaluation i trip distribution j purpose k residential fee calculation l non