The
Winston-Salem
Transit Authority:
Planning
for
Mobility
Management
Anna M.
Nalevanko
With
the passage of the Intermodal Surface TransportationAct(ISTEA)
of1991, the na-tional transportationfocushasshifted to amore
inte-gratedapproachof developingtransportationsvstems. Transit services, infrastructure, and
community
de-signs that support transit, such as parking policies,bicycle paths,andtransit-orientedde\elopment.areall
consideredpartofabalanced,efficienttransportation system.
With
greateremphasis ontransitandnon-automo-bile
modes
oftransportation, transportation profes-sionals arechallengedtoexploremore
cost-effective, efficientapproachestodelivertransitservice, andtopursuebetterintegrationofthe variouspublic transpor-tation
modes
(i.e.,rail,intercitybus).Publictransitcan be aviable alternativetothe singleoccupancyvehicleifthe service is accessible and designed to meetthe
needs ofthe community. In
man\
cases, enhance-mentscan be achieved throughtheimplementationof advanced,transit-specifictechnologies.Thisarticleoutlines
how
a multi-disciplinaryteam hascome
togethertoenhanceservicedeliveryinone North Carolinacommunity.The
Winston-SalemTran-sitAuthority
(WSTA)
isinvestigating service deliveryimprovementstliroughtheimplementation ofadvanced communication andinformationtechnologies.
What
islearnedfrom the applicationoftransit-specific tech-nologiesat
WSTA
willbenefittransitoperationsinthestateandnationally.
Anna
NalevankohasaMaster'sdegreeinPublicAdmin-istrationfrom George Washington University,
Washing-ton, D.C. She helpedto initiatethePublic Transportation
ProgramattheInstitutefor TransportationResearchand Education(ITRE) andoverseesresearch, technical assis-tance, andtrainingeffortsrelatedtopublictransportation.
Project
Background
The
Winston-Salem Transit Authority(WSTA),
like othermedium
to large transit operations in the country, is aggressively assessingitsmarket andex-aminingappropriate technologiestoimproveservice delivery.
The
way
of doing business atWSTA
ischanging dramatically.
WSTA
is in the midst ofatechnologyinfusion that willinthelong-termenhance
public transportation services, streamline day-to-day administrativeandplanningactivities,prepare
WSTA
forfuture serviceexpansions, linktransitmodes, and connecttransitmore
closelywithtrafficmanagement
systems. These technological changes are
coming
aboutduetoWSTA's
participationinaFederalTransit Administration(FTA) Advanced
Public Transporta-tion Systems operational test project.WSTA,
as aresult, willbeabletoprovidea
more
efficient, reliable,customer-oriented publictransportation service.
What
isAdvanced
PublicTransportation
Systems
and
Mobility
Management
?Before going into the details ofthe planning and implementation ofadvancedtechnologiesat
WSTA,
several concepts must be defined. First,
Advanced
Public Transportation Systems
(APTS)
is a Federal Transit Administration initiative to promotethead-vancement of technologies in transit systems. This
FTA
programwas
createdas partoftheU.S.Depart-ment
ofTransportation's intelligentVehicleHighway
Systems(I
VHS)
initiative.IVHS
isarange ofcommu-nications and control technologies developedto
en-hance road travel through better mobility, energy
efficiency,and environmentalprotectionandsafety.
man-VOLUME
20,
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231
agement
approachto service delivery.Mobilityman-agement
isameans
ofachievingpositive integrationandcoordinationofpublic transportation services
of-fered by multiple providers and a variety oftravel
modes. This integration is primarily accomplished throughelectronictechnologies.
Similarin function to a travel agencyorfmanciai clearinghouse,the mobility
manager
provides users with amenu
of transit services by telephone and through electronic technologies suchas information kiosksandcabletelevision.Through
asinglepointof contact,e.g.callingonetelephonenumber,apotential passengercanscheduleatrip,askaboutthe statusof thetrip,make
arrangementstotransferfrom onemode
oftravel totheanother, and/or receiveascheduleof
transportationservices availableinthecityor region. Availableservicescould include bothprivateand not-for-profitproviders, such astaxicabs,vans, and pas-sengertrains.
The
mobilitymanagement
facilityserves asan intermodaltransportationresourcecenterforthegeographic area served.
This centralized mobility
management
system issupported witha varietyoftechnologies, including:
•
Computer-Aided
SchedulingandDispatching Soft-ware;This softwareautomatessome management
functions inthe demand-responseservice, suchas reportingandbilling,andprovidesschedulingassis-tance to reservation clerks to allow for real-time scheduling ofshared-ride trips. This technology serves asone ofthebasesofa
mobi
litymanagement
system.
• Mobile Data Terminals
(MDTs); The mobi
lityman-agement
system must be able to accomplisheffi-cientcommunications betweentheoperations
cen-terandthe vehicle.
MDTs
providetheopportunityfor rapid,high
volume
communications.Mobiledatacommunications allow
two-way
interactive mes-sageexchange,bothbetweenvehiclesandbetweena vehicle and the transit operations center. Data,
e.g. short messages, are displayed on a digital
screenthatis installedon eachtransitvehicle.
The
use ofMDTs
replaces the conventional manual recordingoftrip informationandreducestheneedforradiocommunications andvoice"chatter."
• AutomaticVehicle LocationDevices
(AVL);
This technology,particularlysatelliteglobalpositioningsystems (GPS), is installed on transit vehicles to
trackthewhereaboutsofthevehicleen-route.Both customers and transit center dispatchers can be
updatedonvehicle progresstowardsitsdesignated
stop.This technology enablesthetransitoperatorto be
more
responsivetothepassengerandallowsfor bettertimingoftransfers.Italsoprovidesthepos-sibilityofimplementing
new
service alternatives, such as permitting a bus to leave a fixed-routetopickupapassengerandthenreturningtothe
fixed-route.
• Electronic FareCard Media: These "smartcards"
are the sizeofacreditcardand
may
allowfor creditsanddebitsandthestorageofotherinformationthat
may
be needed for recordkeeping purposes. For example,billing information can be stored on the card fortrips that are subsidized by ahuman
ser-vicesagency. This can serve the purpose of
more
accuratelyattributingatripcosttotheappropriate contractingagency.The
informationonthecard isread by a reader that is installed in each transit
vehicle and the dataare
downloaded
for analysisand reports.
The
ProjectConcept
The
ideatopursueanAdvanced
Public Transpor-tationSystems(APTS)
technologysite inNorthCaro-lina originated with the Institute for Transportation Research and Education (ITRE) at North Carolina State University in 1992. Researchers from North CarolinaStateUniversity'sCivilEngineering
Depart-ment
andstafffromtheNorthCarolinaDepartment of Transportation, Public Transportation Division(NCDOT/PTD)
were involvedearlyon in conceptu-alizingthisoperational testactivity.The
initialgoals established forthisprojectweretodevelopand opera-tionally test a mobilitymanagement
system for (1)human
service transportation,suchasshared-ride,on-demand
service for persons with specialized needs, and(2) toplan for a Phase II project to integratethissystemwithamobility
management
systemfor fixed-route bus transit(the traditional general bus servicethatfollowsa specificpre-determinedrouteand
sched-ule).
This team
was
aware oftechnological activitiesbeing conducted in
APTS
operational test projects already underway.They
were alsofamiliarwith the characteristicsofthetypesof operations beingfunded andwere awareofsome
ofthepitfallsexperiencedbytheseoperationsinstart-upandimplementation. This information helped the team define a unique
opera-tional testactivityandtobebetterprepared for
some
CAROLINA
PLANNING
To
be competitive with other transit operations pursuingAPTS
funding, theNorthCarolinasiteneededto possess
some
characteristics that distinguished itfromtheothertest sites.
The
Winston-Salem Transit Authoritywas
chosen for several reasons. It is amedium-sizedoperation, serving both acityandcounty.
The
general fixed-route bus, paratransit service,and ridesharing arecoordinatedunderasingle authority.
WSTA
alreadyhadsome
level ofcomputerizationinplaceandthe staffhadthein-housetechnical expertise necessary to implement, monitor, and evaluate
new
systems. Another favorable factorwas
theendorse-ment
ofthecity'stransportation directorandhisvision forfuture integrationofsome
transitandtrafficman-agement
technologiesandaplanforcentralizingthesetraffic and transitoperations in a new^ transportation
facility(anticipatedtobecomplete in 1996).
Another reason North Carolina
became
a seriouscontender for
FTA APTS
fundswas
because therewere
no other such demonstration projects in the southeastern United States. In addition, noothertestsitehad begunmobility
management
implementation with a demand-response paratransit service. This project alsoofferedthe potential fornetworkingwith a social serviceagencytoallowtheagencyaccessto tripand billing information and for integrating with general fixed-route busservice inafollow-upPhaseWinston-Salem
Transit
Authority'(WSTA):
Background
Information
intoForsyth
County
andcoveringapproximately409 square miles. Trans-AID's riJership totaled about170,000 passengersin 1993.
Preliminary
Planning
ActivitiesOnce
theoperational test sitehad been identified,thenextstep
was
toclarifythe rolesandexpectations oftheprojectteam andtodevelopa proposalforthe Federal Transit Administration.The
NCDOT/PTD
financiailysupportedthisplanningandproposal
devel-opment
phase through a grantawarded
to ITRE.The
CityofWinston-Salemwas
the identifiedgrant applicant. ITRE'srolewas
to assistwith administra-tion and technical assistance. North Carolina State University(NCSU)
researchers took the lead on proposaldevelopment andtechnicalassistanceactivi-ties.
NCDOT/PTD
staffprovided review andcom-ment
throughoutasprojectteammembers.
The
projectwas
designed intwo
phases. Phase I,thefocus ofthe
FTA
proposal, consistsoftwo
majoractivities:
1
.
Implementationof technologiesinTrans-AID,the
human
service transportation service,and2. Establishment ofa test-bed site for research and demonstrationofother technologies.
The
activitieswere clearly defined in the Phase Iproposal.
The
primaryactivitiesinPhaseIinvolved:Accordingtothe 1990census, theWinston-Salem
metropolitan area hasapopulationofabout 320,000.
Winston-Salem
is located in ForsythCounty, in the northwesternpartofthestate.The
public transporta-tion services in Winston-Salem and ForsythCounty
are coordinated under onetransitauthority,
WSTA.
The
authorityis partoftheCity ofWinston-Salem's Department of Transportation but the city contracts withaprivatemanagement
compan\'toruntheda\-to-dayoperationsofthetransportationsystem.
WSTA
isamulti-serviceoperation withfixed-route buses,human
ser\ice transportation(demand-response/shared-ride service),
commuter
ridesharing,and van pooling.WSTA
operates58fixed-route buses. Fixed-route service covers an area of approximately 98 squaremiles,andin 1993thisservice carried atotalofabout 3.5 million passengers. Trans-AID, the desig-natedcoordinated county
human
service transporta-tion provider serving the elderly, low-income, and mentally-andphysically-challenged,operates 17ve-hicles.
Trans-AID
services a larger area, extending1
.
Securingthe servicesofasystems integratorwith thetechnicalexpertisetotakethe leadonselecting
and installingthe appropriatetechnologies and to
overseethe integrationofthe various technologies,
2. Procuring an automated scheduling software
sys-tem and compatible hardware for
WSTA
andtheremote sites, i.e. the
NCSU
test-bed site and theDepartmentofSocial Services,
3. Implementingtheautomated system inthe
human
serviceoperation,Trans-AID,4. Installing
MDTs,
AVE,
and electronic fare card readers in threeTrans-AID
vehicles,5. Testingthe mathematical algorithms with
WSTA
data attheNCSU
research test-bed site, and 6. Developingtheprivatesector interestandVOLUME
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operationssetting.
Tiie current project team
would
continue to be involvedifa projectweretodevelopoutofthis effort.Another North Carolina State University
(NCSU)
researciierand severalgraduate studentswere added
totheproject proposal.
The
proposed budgetreflectedNCDOT/PTD's
requiredfederalmatch andadditional support for hardware and otherequipment. Phase IIwas
alsodescribed in the proposal with the focusof expandingtheapplicationandintegrationof technolo-gies tothe fixed-route busservice.Phase
I -Technology
Testing
intheTrans-AID
ServiceUpon
award
fromFTA
inMay
of1993,theprojectteam began to furtherdevelopthe project objectives
and
work
tasks.A
technicalproposaland budget were developed for the request for proposals (RFP) toprocure the services of the systems integrator.
A
request for qualifications
(RFQ) was
issued first to solicitinformationaboutfirms, their capabilities,andlevel ofinterestinthisproject.
The
RFP
was
issuedinNovember
1993.The
systems integrator(contractor)was
selectedandthecontractor'sautomated schedul-ing softwarewas
the first technology to beimple-mented
at Trans-AID.The
on-siteWSTA
staffmembers
were the key contacts with thenew
private-sector project teammember.
Inaninitialprojectteammeeting,the instal-lationtimetablewas
refined.The
projectteamantici-pated frequentmeetingsoftheteam andsub-groupsof theteamoverthecourseof eighteen
months
todiscuss installationproblemsandimplementationstrategies.The
contractorworked
closely withWSTA
staffand
NCSU
researchers to transfer the data fromWSTA's
computerized system to thenew
system.Once
the data were transferred and reviewed, the collectionof "before" dataand stafftrainingbegan.The
WSTA
teammembers
developed their teaminternally.Staffing
was
evaluatedandnew
temporarystaff
was
added to facilitate the transition from themoretime-consumingtaskofschedulingtripsto
learn-ing theautomatedscheduling system.
The
dispatching officewas
redesignedtoaccommodate
thenew
com-puter system.The
automated systembecame
operational inAu-gust of 1994.
The
project teamworked
with the contractortoevaluateandwork
outany problemswith the dataand trip scheduling.As
the installationwas
occurring on-site, back in the laboratory theNCSU
researcher and a graduate student were testing themathematical algorithms, using software that they developed and
WSTA
systems data to evaluate the efficienciesoftheroutingandscheduling algorithms.Lessons
Learned
Thereare avarietyoflessonstobe learnedfromthis
planningand implementationeffortformobility
man-agement.1
.
The implementation of an
automated
scheduling system will initially increase the administrativeand
dispatcher workload. There is a learning curve ofuptosixmonths
todeveloptheexpertisetooperate the system.
As
a result, temporary staffmay
need to be added to handle the reservations.WSTA
recognizedthatittakestimeforreservationclerks/schedulerstoadjust tothe on-line real-time reservation system.
2. Learn
from
the mistakes ofothers.The
projectteam avoided
some
ofthe pitfalls and benefittedfrom
some
ofthe successes ofother technology implementationsbyassessingtheshortcomings andstrengths of other
APTS
test projects underway. External factors, such asthe political climate and problemswith regional cooperation,were
factorsthatdelayed other
APTS
projects. Forthisproject team,ithelpedtoreviewothertechnicalproposalsfortheirapproach.
3. Allow sufficient time in aproject schedulefor
delays. Delayscan beexpectedintheprocurement process and as a result of software "glitches" or unanticipated data communications problems. In
the
WSTA
project,the PhaseI deadlineneededtobeextended sixmonths, from
November
1994 toMay
1995,toaccomplishallprojecttasks.4. Ensure ongoing communications
among
team
members. Inthiscase, itwas
especiallydifficult tomaintainaconnectionduetotheinvolvementoftwo
universityresearchentities,alocal transitproperty located11 milesfromtheotherteam
members,
thestate public transportation division, and a private sector contractor with a
home
office in a distantstate. There
was
some
shiftingofleadershiproles-andtaskassignments,but theteamhasbuilta solid base.Itiscommittedtotheprojectandhas
made
an34
CAROLINA
PLANNING
5. Calculate the risk. There is risk associated with being
among
the first to test anew
technology.Some
ofthe"bugs"arestillbeingworked
outinthe software and in the interfaces that connect the technologies as the contractor adaptsthem
to the operators" needs.The
software selectedbyWSTA
hasa solidtrackrecord intransitoperations, butis still a relativelynew
productundergoingfrequent upgrades.6.
Do
notassume
that technologies inand
of themselves will increaseproductivity. Staffneedtobetrained tounderstandthe specifictechnology andto
maximize
itsuse.The
introductionof tech-nologies should alsocause the transit operatortoexamine
otherpracticesandpoliciesinthe organi-zationandupdate these sothatincombinationwith the technologies, the greatest efficiencies will berealized.
7. Ensure the
commitment
and
support ofall key players. Initiating this test in an efficient, coordi-nated transit systemwas
an advantage.The
staff familiaritywith automation, together with support fromWSTA
and city administration, provided a solidbaseonwhich
tobuild.8. Design an evaluation process. Evaluating "be-fore"and"after"dataisa useful
way
tounderstandwhat
levelsofefficienciesareachievedasa resultofthe
new
technologies.Datarelatingtothenumber
ofpassengers perhour, levelof customer satisfac-tion,andtheaverage time requiredtoscheduleatripare examples ofthe data being collected.
WSTA
can usethis datato determine improvementsthat couldbemade
toincreaseproductivityandto assistwith planningforPhaseII.
FTA
isalso interestedintheevaluationprocess.
The
VoipeNational Trans-portation Systems Center, through an evaluation contractor,Cambridge
Systematics, Inc., is con-ductingan independent"national"evaluation.The
purposeofthisevaluationistodeterminethedegree towhich
the nationalAPTS
program andthe localobjectivesofthetestare being met. This indepen-dent evaluation is conducted to ensure that the reportedresultsareunbiased.Inaddition,ithelpsto
ensurethatthe dataand analysesarestandardized and comparabletoothersites.
The
evaluation plan hasbeendeveloped,and"before" datahavealready beencollected.Afterayearofsuccessfulinstalla-tionoftheautomatedsoftware, "after"datawillbe
collectedby the projectteam to
compare
withthe datagathered beforeinstallation.What
LiesAhead?
The
Mobile Data Terminals(MDTs),
Automatic Vehicle Location Devices (AVLs), and electronic fare card readers were installed on threeTrans-AID
vehicles in early February 1995.The
vendors and products to be installed have been identified andinterfacesdevelopedtoallowforthe
communication
ofdata.The
WSTA
mobilitymanagement
projectteamhas begunto clarifygoalsandobjectives forPhaseIIwork.Potential
government
and private sector funding sources for the Phase II efforts are currently being evaluatedandaproposalforPhaseIIwillbedeveloped withinthe Phase I timeframe.During Phase II, it is anticipated that
MDT's,
electronic farecardreaders,and
AVL
systemswillbeinstalledthroughoutthe
Trans-AID
fleet.The
mobilitymanagement
system will beexpanded
fromhuman
servicestransportationtogeneral publicservices,
in-cludingfixed-routetransit,ridesharing,andvanpooling.
A
varietyofresearchandtest-bedopportunitieswillexistinPhaseII.
They
include, forexample,the bench-markingof scheduling algorithms, standardsevalua-tion, and testingofservice options. Future plans for
dynamic
trafficmanagement
inWinston-Salem
will allowreal-timetrafficinformation tobesharedwith publictransitvehicles.Thissignificantopportunityto integrate traffic and transitmanagement
is a keyingredient fortrue
community-
wide, mobility manage-ment.Through
theimplementationofadvanced informa-tion andcommunication
technologies, the Winston-SalemTransitAuthoritystrivestoachieve anefficient,responsive, integrated service tomeetthemobilityand