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COMPUTER GRAPHICS AND MICRO - COMPUTERS povverful tools available to transportation managers and planners 171,,MR Pi74'-,HRECEF3 77E'Di 7.7n/ZIUF.47E*-ni- F),sMi-2E CJIMN_T-P3 TIP7e,R_I-E- P'cULH'u [7;=?DREMR.iirM1 TF-7- fJ%ft_-77,57,'UtPrr 7[71qP,Z- -ceir FJ,F,EP-7,E17),RI'EU1E-F) 171-17/ 7[7,1ARE-Z7F3- -- PDERMCW__Egr,-=7'F) TIT-qe.,Wie)F,D177 FisRri-=2.,e-Frqrg, riTERE7E alfc -RF P-}uFzuLiwwirE- ar rLTF liD7ca Z-11U-1 - K[P,Fi -R-IMW,F_-,F=F7 Pprg„IW;----7c_nEUMF_=7,F, "ulg--)dr_leP-2)Uc- ,R,T7 riL -irEa 7F,r7Rui7=- ,=m77:4- 7,- DiTT-_!e `iiMe\F\ger-7MR1.- Dg3LF=HECi. ,==,,n)e,WZUPTZT[7:-17 7 t{[ wr7==4,p,.4_ceLLJIRI_IrT,‘,,fiEr7, Lir 77=u-„Ra zc--7_--r ÇRu 7ERRE-11:Eri7171 ("IjIkriEVF_- T-RenfiEFP [LfJE-m 7ReeriFFsZ.,R7i7 •E".--4- --R,7,E-17,-RF DipEca PFE,FELUWEIIE-Ell-R-A7MUZ-',FC757[1-1 rr 7act ----w\nraRzc q- 37, 7 e.\mceFuR-u- Vne f,[7HF-/%.Rf_. arr 5DÇL71F.1-7 ,,k7: 11(-eF•CilP)7 7- r-CF4RH,3L -iirT :z,HZ3CL123[Wr4F_E- , 7F,1 i'RPR\il7a Fj.:r `11,717_!„WIMMM`ti- TEARrkla--irr `T'Fliempum -r=a IDirz- Fe) FrieiMEGfi "ERF-(77„-))GUE;FFe 7R/, ,7F,H).71 ce7F11- FL - ME- `17Rf-Uk,.1H,7]f - 7t,-' --- F2D (72 7 r\\_v US3P--(172L--,:7 F-1- 7 7E' a`c -tTME:' 71/ FFIUMFF,77FT-7, `7--r `11-Hafee- -,7R7R7r 177 1--LHJE. ,•c•777' UEZ, [7aF,-FciDucTuF ,:es. ee e \ -;E--7,12,E7FF HL Ller,,c:eVée:4ide, 17iii r-u-F rne":.",.,\E.S% ev- Aed'u'e&fgrf - 7JF,REci- A,,1\'-3FF2E-77 ‘4oe" e'4 de' 90 • . -u-Re.\[uerr7.1H1-1-. .-17[7 rtl Prt7,7-7, ee CWeeeee `i,--L7MHZFP=b7E,F., F-717=4 f=-7;Ftf"--Ti5C7•74nriLk,r, 43,eêe 7-7 r----JJEU P-DZL-MF=. 7E=;Rmr:17,e- -cr 17[7/:.\•,57-, 7f, ,-2F7 -177e.,R!1E,F•ZHJ7- C,à1r, CANQ ' TR Gouvernement du Québec TTP Ministère des Transports 149A Direction générale du transport Ex.1 terrestre des personnes COMPUTER GRAPHICS 1 AND MICRO - COMPUTERS powerful tools available ta transportation managers and planners presentecl at the international transport congress MONTREAL • 1984 •-- -meer-ÉgÉbÈs:rnAlseoir-es3 ' Centre deldricurnentation:u 35, rLie,de+POrt:7R0yal'Est 3e étage Mdintréat.,110t4bçç): ,,Érry. 143Layl Gouvernement du Québec Jean-Pierre- Primeau, ing . Ministère des Transports directeur de projets Direction générale du transport terrestre des personnes juillet 1984 PROJECT DIRECTOR Jean-Pierre Primeau, Eng. COORDINATION Pierre Tremblay, Eng. TEXT Jean-Pierre Primeau, Eng. Martin Nathanson, Eng. Pierre Tremblay, Eng. TRANSLATION Martin Nathanson, Eng. COLLABORATION André Babin, C.R.T. Claude Desloges Sandra Lavoie Robert Martin, Eng. François Mongrain Hien Nguyen Duc GRAPHICS Denis Chauvette TYPING NiCole Audet Louise Boivin SUMMARY SUMMARY The purpose of this presentation is to describe the computer environment of which the "Direction générale du transport terrestre des personnes" has availed itself, and, as a result, to show how its management and planning activities are defined and carried out in this context. The environment is characterized on the one hand by the use of micro-computers which, in addition to their local intelligence, allow access to a central mainframe'. On the other hand, computer graphics techniques play an important raie, which allows for the efficient representation of the enormous amount of data involved in transport management and planning. These tasks can be classified under two major headings: data analysis, where the principal tools are the SAS and SPSS packages run on the mainframe whereas dBASEII, LOTUS 1-2-3 and Stat-Pac are used with the micro-computers; and transport modelling, aided by the EMME/2, MADITUC and UTPS software. Both in terms of hardware and software, graphics and micro-computers have been effectively incorporated into our environment, facilitating considerably the work of planners and managers and enabling that work to reach a level of quality which could not be achieved using conventional methods. TABLE OF CONTENTS 11. TABLE OF CONTENTS PAGE SUMMARY TABLE OF CONTENTS ii LIST OF FIGURES INTRODUCTION 1 COMPUTER ENVIRONNENT 3 2.1 Hardware configuration 3 2.2 Mainframe 5 2.3 Local computers 7 2.3.1 "5280" system 7 2.3.2 PC-XT micro-computers 7 2.3.3 Tektronix 4116-13 8 2.4 Graphics devices 9 2.4.1 Tektronix 4116-8 9 2.4.2 Digitizer 9 2.4.3 HP/7475-A plotter 9 2.4.4 Calcomp plotters 10 PLANNING ACTIVITIES 11 3.1 Zone system 11 3.1.1 Subdivision 11 111 3.1.2 Digitization 13 3.1.3 Aggregation procedures 13 3.1.4 Node location 13 3.1.5 Zone equivalence 13 3.2 The data base 17 3.2.1 Origin-destination surveys 17 3.2.2 Socio-demographic data 17 3.2.3 Poils 18 3.2.4 Analytial tools 18 3.3 Auxiliary data 20 3-.3.1 Road traffic counts 20 3.5.2i Transit station counts 20 3.3.3 On-board counts 20 3.3.4 Itinerant vehicules 23 3.3.5 Travel times 23 3.3.6 Transit financial data 23 3.3.7 Car occupancy rates 23 3.4 Transport demand 25 3.4.1 Demand matrices 25 3.4.2 Demand projections 28 3.4.3 Modal split 28 3.5 Transport supply 30 3.5.1 Network definition 30 3.5.2 Network digitization 30 3.5.3 Transit une coding 31 3.5.4 Network analysis 33 iv 3.6 Simulations 35 3.6.1 Road network flows 35 3.6.2 Road travel times 35 3.6.3 Transit flows 35 3.6.4 Transit travel times 38 3.6.5 Iso-fare unes 48 3.6.6 Disaggregated itinerary analysis 41 3.7 Calibration 42 3.7.1 Road netword flows 42 3.7.2 Road travel times 42 3.7.3 Transit flows 43 3.7.4 Transit travel times 43 3.8 Other activities 45 3.8.1 Graphic production 45 3.8.2 SYRIC: Computerized system for carpooling 45 3.8.3 School transport study 45 4. CONCLUSION 47 ANNEXE 1: GLOSSARY 48 LIST OF FIGURES LIST OF FIGURES PAGE 1 - Computer environment 4 2 - Hardware configuration 6 3 - General outline of activities 12 4 - Digitization of zone polygons 14 5 - Zone aggregations 15 6 - Survey data retrieval 19 7 - Representation of demographic data 19 8 - Station transit counts 21 9 - On-board counts 22 10 - Observed travel times 24 11 - Transit financial data 24 12 - Frequency distribution of generations totals 26 13 - Trip productions and attractions 26 14 - Trip demand corridors 27 15 - Evolution of transportation demand 27 16 - Digitizing environment 32 17 - Network coding 32 18 - Transit unes 34 19 - Transit capacity 34 20 - Traffic flows 36 21 - Frequency distribution of road travel times 36 22 - Road network isochrone unes 37 23 - Transit flows 37 24 - Metro ridership profiles 39 25 - Transit boardings 39 26 - Transit isochrone unes 40 27 - Analysis of fare structures 40 28 - Differences between simulated and observed traffic flows 44 29 - Ridership comparison at metro stations 44 30 - Carpool matching program 46 I INTRODUCTION 1 INTRODUCTION In the contemporary context of urban public transport, where citizen participation has become increasingly important, where requests from the public and from their elected officials have become more and more demanding and where the costs are inexorably on the increase, the decision-making process has become more and more difficult. It is therefore necessary that accurate contemporaneous information be available as a basis for assessing the current situation. It is also essential to possess tools which enable the impact of administrative decisions to be evaluated. Since the effectiveness and the productivity of a public agency are directly related to the speed and flexibility with which its employees function, requiring them to work with unwieldy tools traditionally reserved for use by highly specialized professionals would serve no purpose. Moreover, the staggering quantity of resultats which these tools can produce can never be fully exploited nor efficiently be transposed into graphical form by manual methods. In order ta maintain a high level of efficiency among its personnel and ta provide the best possible service to the transport community, the "Direction générale du transport terrestre des personnes" has followed a course of acquiring flexible tools incorporating graphics techniques and to render them accessible to ah l of its personnel. It has therefore established an Information Systems Service to carry out the following tasks: Acquire, maintain and analyse ail relevant data with respect to personal ground transport. Develop or install models or procedures allowing for evaluation of road and public transport policy or projects 2 3) Design and maintain management information systems. The presentation which follows will attempt to show the approach adopted by the D.G.G.T.P. in order to achieve these goals, with a particular emphasis on the role of micro-computing hardware and computer graphics techniques. The first part of the presentation is a summary description of the computer environment which has evolved in our organization. This is followed by a demonstration, using numerous examples of graphics results, of how our activities are carried out in this environment. The reader will find, at the end of this text, a brief glossary of the acronyms used and reference index for the hardware and software products described. 2 COMPUTER ENVIRONMENT COMPUTER ENVIRONMENT Our computer environment, which we have attempted to illustrate schematically in Figure 1, consists of an array of hardware facilities supported and driven by a variety of software.