01019992

Component

https://doi.org/10.3141/1927-25

http://scholar.google.com...llas&publication_year=2005

This paper presents findings from an evaluation of the accuracy of automatic passenger counters (APCs) on the Tri-County Metropolitan Transportation District of Oregon’s (TriMet’s) light rail vehicles. APC boarding and alighting counts were compared with manually recorded counts. Overall, the APCs tended to undercount boardings and overcount alightings. Thus, correction factors will be needed for use of APC-recovered data for National Transit Database (NTD) and internal reporting. The paper also describes the sampling procedures employed by TriMet for NTD and internal reporting, in which sampled trips are linked to archived APC data records.

01019966

English

pp 217-222

2005

Transportation Research Record: Journal of the Transportation Research Board

0309094011

Print

Figures (1) ; References (12) ; Tables (1)

Accuracy; Boarding and alighting; Light rail transit; Sampling; Validation

National Transit Database; Tri-County Metropolitan Transportation District of Oregon

Automated passenger counters; Correction (Mathematics); Internal reporting

Finance; Highways; Operations and Traffic Management; Passenger Transportation; Planning and Forecasting; Public Transportation

TRIS, TRB, ATRI

Mar 13 2006 12:48PM

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