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Measuring Improvements in the Movement of Highway and Intermodal Freight

REPORT: CommunityLink 21: 1998 Regional Transportation Plan

SPONSORS: Southern California Association of Governments

AUTHORS: N/A

PARTICIPANTS: N/A

DATE: April 16, 1998

SUMMARY:

SCAG’s 20-year transportation plan includes goals, objectives, and policies for Southern California. It offers performance indicators to compare a 2020 baseline with the 2020 plan. The discussion is not focused specifically on freight, but addresses topics of general highway-performance, two of which relate to freight movement: mobility and reliability.

PERFORMANCE MEASURES PRESENTED:

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Mobility: PM peak highway speed; percent of PM peak travel in delay

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Reliability: percent of on-time arrivals

ASSESSMENT:

The mobility measures are basic measures of highway-system performance that are reflective of general highway traffic (primarily personal travel). They are relevant to freight-movement performance, but, as offered here, are quite general.  To be more focused on freight performance, the measures may need to be more specific to freight movement, such as PM peak highway speed on highway routes of particular importance to freight or on roads with a relatively high portion of truck traffic. The reliability measure is freight-specific but is difficult to develop as an indicator because of data availability problems.

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