00202367

Component

http://onlinepubs.trb.org...s/hrr/1973/439/439-002.pdf

THE SUCCESS OF SEVERAL EXCLUSIVE-LANE BUS DEMONSTRATIONS IN EFFECTIVELY ATTRACTING AND MOVING URBAN PEAK-HOUR COMMUTERS HAS BROUGHT MORE ATTENTION TO THE CONCEPT OF LARGE DUAL-MODE BUSES AS A REALISTIC NEAR-TERM SOLUTION TO THE INCREASING URBAN TRANSPORTATION PROBLEM. THIS PAPER ANALYZES THE COST COMPONENTS AND TRAVEL TIME RELATIONS FOR SEVERAL CONFIGURATIONS OF SUCH AUTOMATED, LARGE-BUS, DUAL-MODE SYSTEMS IN A HYPOTHETICAL HIGH SERVICE LEVEL URBAN TRANSPORTATION NETWORK. THERE IS A TWOFOLD OUTPUT: ORDER-OF-MAGNITUDE COST ESTIMATES FOR IMPLEMENTING AND OPERATING DUAL-MODE BUS SYSTEMS FOR COMPARISON WITH OTHER TYPES OF NEW URBAN TRANSPORTATION SYSTEMS AND ORDER-OF-MAGNITUDE COMPARATIVE COST ESTIMATES FOR VARIOUS CONFIGURATIONS WITHIN THE DUAL-MODE SYSTEM. SEVERAL MAJOR CONCLUSIONS ARE REACHED. THE DUAL-MODE SYSTEM APPEARS TO OFFER HIGH-SPEED, LINE-HAUL CAPABILITY COMBINED WITH THE LOCAL STREET FLEXIBILITY NECESSARY IN LOW-DENSITY PASSENGER SERVICE AREAS AT LEVELS THAT MAKE IT ATTRACTIVE AND ECONOMICALLY VIABLE. SIGNIFICANT TRAVEL TIME REDUCTIONS OCCUR WITH THE INTRODUCTION OF THE FIRST 20 PERCENT OF LINE-HAUL GUIDEWAY AT RELATIVELY LOW COST. IN COMPARISON TO DUAL-MODE SYSTEMS, PUBLIC STREET NONGUIDEWAY SYSTEMS ARE LESS COSTLY, BUT THE GREAT INCREASES IN TRAVEL TIME OVER JUST A 20 PERCENT LINE-HAUL GUIDEWAY WOULD SEEM TO MAKE THEM UNATTRACTIVE IN A COST-TIME TRADE-OFF. THE RAIL RAPID LINE-HAUL, FEEDER-BUS LOCAL SERVICE CONFIGURATION IS PROPORTIONATELY MORE COSTLY THAN A DUAL-MODE SYSTEM AND, THUS, WOULD LIKEWISE FAIL A COST-TIME TRADE-OFF.

Sponsored by Committee on Transportation Systems Planning and Administration. 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.

01410353

pp 10-18

1973

Highway Research Record

52nd Annual Meeting of the Highway Research Board

0309021707

Digital/other

Figures (5) ; References (6) ; Tables (2)

Benefit cost analysis; Bus lanes; Buses; Costs; Dual mode transportation systems; Economics; Transportation; Travel time

Economics; Society; Transportation (General)

TRIS, TRB

Dec 22 1973 12:00AM

• REEVALUATION OF GROUND ACCESS TO AIRPORTS
• TRANSPORTATION ISSUES IN CONSUMER MOTIVATION
• WALK TIME FROM VEHICLE TO FINAL DESTINATION