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{{Short description|Plan to improve US transit bus design}}
{{Infobox automobile
| name = Transbus
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}}
'''Transbus''' was announced in December 1970 as
In 1971, [[Booz Allen Hamilton|Booz-Allen Applied Research]] won the contract to serve as the Systems Manager for the Transbus program. Three manufacturers{{efn|[[AM General]], [[General Motors]], and [[Rohr, Inc.|Rohr]]/[[Flxible]]}} were selected to participate in the Transbus program in 1972 and each produced prototypes for evaluation by late 1974; some were tested at a [[Proving ground#Automotive
==History==
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===Early development===
The interest in newer transit buses was sparked in part by laws passed in the late 1960s and early 1970s granting federal subsidies for public transportation equipment, including buses.<ref name=TBMP/>{{rp|
GM wrote a letter to [[United States Department of Transportation]] Secretary [[John Volpe]] in 1971, complaining that it had begun work on the RTX-derived [[Rapid Transit Series]] (RTS) to meet the goals of the 1968 NAS report,<ref name=UMTA-oversight-hearing/>{{rp|4}} but could not start serial production until UMTA changed its low-bid policy to allow federal subsidies for the RTS.<ref name=TBMP/>{{rp|
The Transbus program was intended to
===Prototype testing===
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1978/3 TPR updated, single rear axle
1978/8 TPR updated, tandem rear axles, lift or ramp for access-->
In January 1975, UMTA Administrator [[Frank C. Herringer]] announced the prototypes would be used to create a composite performance specification for Transbus<ref name=UMTA-oversight-hearing/>{{rp|4}} and that new bus procurements would need to meet the Transbus specification to qualify for federal subsidies; his intent was to quash GM's competing RTS bus design. GM was undeterred and continued development of the RTS, and Herringer soon left UMTA to head the [[Bay Area Rapid Transit District]].<ref name=Reason-80/> One of his successors, [[Robert E. Patricelli]], quietly encouraged GM to continue
Patricelli would go on to effectively kill Transbus by issuing a policy order in July 1976 stating the specified Transbus floor height of {{convert|22|in|abbr=on}} was impractical, adding that Advanced Design Bus (ADB) designs{{efn|'Advanced Design Bus' collectively refers to the General Motors [[Rapid Transit Series]] and the Rohr/Flxible [[Flxible Metro|870/Metro]] designs.}} then under development would qualify for federal subsidies.<ref name=UMTA-oversight-hearing/>{{rp|3–4}} In February 1977, Patricelli made the ADB specification a requirement for buses procured using federal subsidies,<ref name=Reason-80/> shutting out AM General, who had not developed an ADB in parallel with their Transbus prototype, as GM and Flxible had.<ref name=AMGvDOT/>
AM General filed
[[File:Press conference with John Brademas, Carl Albert, Brock Adams, Thomas P. O'Neill, and John McFall. September 1976.jpg|thumb|right|[[Brock Adams]] (center), at a press conference while serving as a member of Congress (Sep 1976). Seated, L-R: [[John Brademas]], [[Carl Albert]], Adams, [[Thomas P. O'Neill]], and [[John J. McFall]].]]
Incoming Secretary of Transportation [[Brock Adams]] revived the Transbus project, and in May 1977, stated that by October 1979, new buses would have to meet the Transbus specifications to qualify for federal subsidies.<ref name=UMTA-oversight-hearing/>{{rp|114}} <ref name=TBMP/>{{rp|
===Bid failure===
The Transbus specification requirement led three transit agencies{{efn|name=79bid}} to request bids for a joint procurement of 530 buses in January 1979.<ref name=Reason-80/> It was estimated that a single Transbus would cost 60% more than a comparable New Look bus, driven mainly by the low-floor requirement, which in turn would require significant
By March 1979, [[Grumman]] Flxible{{efn|[[Grumman]] acquired [[Flxible]] from [[Rohr, Inc.|Rohr]] on January 3, 1978 for {{USD|55000000|1978|round=-4}}. The acquisition included two hand-built prototypes of and the design for the [[Flxible Metro|Model 870]].<ref name=GrummanVRohr>{{cite court |vol=748 |reporter=F.2d |opinion=729 |court=[[United States Court of Appeals, Second Circuit|2d Cir.]] |date=1984 |litigants=Grumman Allied Industries, Inc. v. Rohr Industries, Inc. |url=https://casetext.com/case/grumman-allied-industries-v-rohr-industries|archive-url=https://web.archive.org/web/20230519101506/https://casetext.com/case/grumman-allied-industries-v-rohr-industries|url-status=dead|archive-date=May 19, 2023}}</ref>}} announced it did not intend to bid on the new contract, and GM stated it was unlikely to bid. The president of Grumman Flxible, Thomas J. Bernard, said that internal estimates put the bid price at {{USD|230000|1979|round=-3}} per bus, nearly double the {{USD|120000|1979|round=-3}} cost per conventional New Look bus, and added the Department of Transportation "has been seeking a more productive bus. We believe that a bus that weighs more, gets fewer miles per gallon, has fewer seats and less standing room is not a more productive bus."<ref>{{cite news |url=https://www.newspapers.com/newspage/147073438/ |title=Lack Of Bids Threatens 'Wheelchair' Bus |date=March 14, 1979 |newspaper=The Pittsburgh Press |accessdate=9 October 2020}}</ref> Flxible also stated that component suppliers (such as [[Rockwell International]], who built transit bus axles) would need federal support to develop the new technologies needed for Transbus, as the limited transit bus market meant most component suppliers were unwilling to develop them.<ref name=UMTA-oversight-hearing/>{{rp|114}}
When the bidding period closed that May, neither GM, Flxible, nor any foreign manufacturers had provided a bid.<ref name=Reason-80/> Secretary Adams said he was "deeply disappointed" that no bids had been received; the companies countered the Transbus design was impossible to implement and their ADB designs already met accessibility requirements.<ref>{{cite news |url=https://www.newspapers.com/newspage/147100831/ |title=Transbus: Too Many Design Handicaps, Builders Say |author=Raspberry, William |date=May 9, 1979 |newspaper=The Pittsburgh Press |accessdate=9 October 2020}}</ref> A Congressional hearing was held later in May regarding the failure of the procurement.<ref name=UMTA-oversight-hearing>{{cite report |url=https://catalog.hathitrust.org/Record/002949644 |title=Oversight of the Urban Mass Transportation Administration's Technology Development and Equipment Procurement Programs |date=May 16–22, 1979 |publisher=U.S. House of Representatives, Subcommittee on Oversight and Review, Committee on Public Works and Transportation |accessdate=10 October 2020}}</ref> With the failure of the 1979 procurement, the requirement to procure new, federally subsidized buses to the Transbus specification was suspended in August.<ref name=TBMP/>{{rp|
==Legacy==
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Transbus is credited with inspiring the simplified ADB specification, changing bus procurement processes, and bringing awareness to the changes that were later made for wheelchair accessibility on transit buses, including the addition of lifts and kneeling bus features.<ref>{{cite report |url=https://rosap.ntl.bts.gov/view/dot/639 |title=Transit Demonstration Projects That Made a Difference |date=June 1996 |publisher=U.S. Department of Transportation, Federal Transit Administration, Office of Research, Demonstration and Innovation |pages=5–6}}</ref>
Each of the three Transbus manufacturers began marketing transit buses in the 1970s, although each of these newer bus designs had a conventional (high) floor and multiple steps in the entryway. AM General began assembling the Metropolitan, a licensed version of the New Look-based [[Flyer 700/800/900 series|Flyer D700]], in 1974.<ref name=TBMP/>{{rp|
Prior to the Transbus project, procurement contracts traditionally were awarded to the lowest bidder. After GM and Flxible introduced their ADB designs, UMTA developed a "White Book" model transit bus procurement specification that provided functional targets with price adjustments for features inherent to the ADBs.<ref name=TBMP/>{{rp|
All three of the Transbus candidate prototype manufacturers eventually left the transit bus market. After losing their suit, AM General left the transit bus market altogether in June 1978.<ref name=TBMP/>{{rp|
==Notes==
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* {{cite thesis |url=https://dspace.mit.edu/bitstream/handle/1721.1/16149/07916354-MIT.pdf |title=The Role of Federal Government in Fostering Technological Change in Public Transportation: A Case Study of Transbus |author=Azad, Bizhan |date=May 1980 |institution=Massachusetts Institute of Technology |degree=M.S.}}
* {{cite journal |jstor=44725013 |title=A Transit Bus for the 90's |author1=Buckel, H. H. |author2=Steffen, J. H. |date=1981 |journal=SAE Transactions |publisher=Society of Automotive Engineers International |volume=90 |pages=4011–4020}}
{{General Motors buses}}
[[Category:Buses of the United States]]
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