1976•Unpublished venueRequires access

GUIDELINES FOR DESIGNING TRAVEL SURVEYS FOR STATEWIDE TRANSPORTATION PLANNING

J F DiRenzo, R A Ferlis

Abstract

This report identifies the types and sources of person travel data likely to be used for statewide transportation planning and presents procedures for developing sampling plans and survey designs for conducting travel surveys to collect the required travel information. Sampling concepts, formulas, and survey administration guidelines are documented for conducting statewide and regional household travel surveys, intercity modal passenger surveys, and roadside surveys. Both cross- sectional and seasonal survey designs are evaluated. Procedures are presented for estimating required sample sizes for alternative types of survey estimates of interest in statewide transportation planning. The application of these procedures is illustrated using real world sampling problems. The influence of alternative levels of precision on sample size requirements is presented in the report.

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Key concepts: Transport engineering, Sample (material), Sampling (signal processing), Travel survey, Transportation planning, Survey data collection, Sampling design, Survey methodology