00494731

Component

http://onlinepubs.trb.org...trr/1989/1221/1221-010.pdf

https://scholar.google.co...nder&publication_year=1989

In this paper, the results of a study of the problem of the spare ratio in the bus transit industry are examined. Statistical techniques were used to investigate the relationships between variations in spare ratio and characteristics of bus transit properties. Section 15 data for 1984 were used as the basis of the analysis. The use of cluster and discriminant analyses made it possible to specify 14 important variables that affect the spare ratio and use them collectively to classify properties into three groups, with high, average, or low spare ratios. It was determined that there is a significantly lower average total number of road calls per vehicle hour for properties that have a low spare ratio than there is for those that have medium or high ratios. Mechanical and total road calls per vehicle mile exhibit similar patterns. The percentage of federal assistance to total revenue has a lower average in systems with lower spare ratios, which means that properties that have high spare ratios have relied on federal assistance more than have those that have low spare ratios.

This paper appears in Transportation Research Record No. 1221, Research in Bus and Rail Transit Operations. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01414061

p. 88-90

1989

Transportation Research Record

0309048168

References (3) ; Tables (5)

Bus transit; Cluster analysis; Discriminant analysis; Federal aid; Mechanical failure; Ratios; Statistical analysis; Variables

Spare ratio

Data and Information Technology; Highways; Operations and Traffic Management; Planning and Forecasting; Public Transportation

TRIS, TRB

Jun 30 1990 12:00AM

• CRITICAL FACTORS IN PLANNING MULTIMODAL PASSENGER TERMINALS
• DRIVEN, ATTENDED, AND FULLY AUTOMATED TRANSIT: QUALITATIVE COMPARISON
• IMPACT ON TRANSIT PATRONAGE OF CESSATION OR INAUGURATION OF RAIL SERVICE
• NEW YORK CITY'S UNFRANCHISED BUSES: CASE STUDY IN DEREGULATION
• OPTIMAL DESIGN OF TRANSIT SHORT-TURN TRIPS
• PRIVATE SECTOR INVOLVEMENT IN SPONSORING SUNDAY BUS SERVICE
• SIMULATION STUDY TO EVALUATE SPARE RATIOS IN BUS TRANSIT SYSTEMS
• USE OF PRODUCTIVITY FACTORS IN ESTIMATING LRT OPERATING COSTS
• USE OF TRAVELERS' ATTITUDES IN RAIL SERVICE DESIGN