encyclopedia

MOBILE SOURCE

Mobile sources include motor vehicles, aircraft, seagoing vessels, and other transportation modes. The mobile source-related pollutants are carbon monoxide (CO), hydrocarbons (HC), nitrogen oxides (NOx), and particulate matter (PM-10 and PM 2.5)_x000D_

MOBILITY ALLOWANCE

Funds that are given to local and or private transit operators to provide transit services on fixed routes at an equal or better service and lower costs.

MOBILITY INDEX

Measures the ability of a region’s transportation systems (all modes) to move people. Higher indices are reached by transportation projects and systems that move people in either fewer vehicles or faster, or both. This index therefore is calculated by the…

MODAL SPLIT

1. The percentage of inter/intra-zonal trips using some mode of mass transit as opposed to the use of private automobiles. The choice or “split” between modes can be modeled as a function of variables which describe both the transportation alternatives…

MODE

A particular form of transit or transportation, i.e., bus, light rail, heavy rail, or automated guideway.

MODE CHOICE MODEL (MODAL CHOICE MODEL)

A model used to forecast the proportion of total person trips on each of the available transportation modes. (TRB)

MODE SHARE

Indicates the share of a transportation mode utilized by people for their transportation trips as compared to tother modes and all of a region

MODEL

1. The representatives of a system having properties and operations that duplicate those of the original system in characteristics of interest. An analytical tool (often mathematical) used by transportation planners to assist in making forecasts of land use, economic activity,…