COVER Tomorrow(cid:146)s Transportation: Changing Cities, Economies, and Lives Tomorrow(cid:146)s Transportation: Changing Cities, Economies, and Lives William L. Garrison Jerry D. Ward Artech House Boston (cid:149) London LibraryofCongressCataloging-in-PublicationData Garrison,WilliamL. Tomorrow(cid:146)stransportation:changingcities,economies,andlives/WilliamL. Garrison,JerryD.Ward. p. cm.(cid:151)(ArtechHouseITSlibrary) Includesbibliographicalreferences(p.)andindex. ISBN1-58053-096-6(alk.paper) 1.Transportation(cid:151)Forecasting. 2.Technologicalinnovations. I.Ward,JerryD. II.Title. III.Series. HE147.5.G37 2000 388.4(cid:151)dc21 99-058763 CIP BritishLibraryCataloguinginPublicationData Garrison,WilliamL. Tomorrow(cid:146)stransportation:changingcities,economies,and lives.(cid:151)(ArtechHouseITSlibrary) 1.Transportation(cid:151)Forecasting 2.Transportation(cid:151) Technologicalinnovations 3.Urbantransportation 4.Traffic engineering(cid:151)Technologicalinnovations 5.Intelligent controlsystems I.Title II.Ward,JerryD. 388(cid:146).0112 ISBN1-58053-096-6 CoverdesignbyIgorValdman '2000ArtechHouse,Inc. 685CantonStreet Norwood,MA02062 Allrightsreserved.PrintedandboundintheUnitedStatesofAmerica.Nopartofthisbook may be reproduced or utilized in any form or by any means, electronic or mechanical, in- cludingphotocopying,recording,orbyanyinformationstorageandretrievalsystem,with- outpermissioninwritingfromthepublisher. Alltermsmentionedinthisbookthatareknowntobetrademarksorservicemarkshave beenappropriatelycapitalized.ArtechHousecannotattesttotheaccuracyofthisinforma- tion.Useofaterminthisbookshouldnotberegardedasaffectingthevalidityofanytrade- markorservicemark. InternationalStandardBookNumber: 1-58053-096-6 LibraryofCongressCatalogCardNumber:99-058763 10987654321 Contents Preface xv 1 A Bit of Perspective 1 Thewindowontheworldformostpeopleistheir carwindow 5 Andso… 5 References 6 Part I: The Car and Traffic 7 2 The Car that Can Drive Itself 9 Butotherthingshavechangedverylittle… 11 v vi Tomorrow(cid:146)s Transportation: Changing Cities, Economies, and Lives Tipoftheiceberg 13 Hands-offfreewaydriving 13 Thedriverbecomesapassenger 14 New,exclusivehighways? 16 Continuingevolution 17 Designingthesystem:weemulatethehuman 17 Theendofdriving? 20 Thenondriverisn(cid:146)tanymore 20 Theautomatedcaroffersmorethanjustautomation 21 Platooning 21 It(cid:146)snotjustformovingpeople 22 Bravenewworld! 24 References 25 3 Congestion: The Devil We Know 27 Ultimategridlock 28 Iscongestionincreasing? 29 Aparadox? 31 Ashortstoryaboutthesuburbs 32 Whatcongestioniscostingus 34 Justpartofthestory 35 Wecandobetter 37 References 37 4 Congestion: What Are We Doing about It? 39 Thebroadprescriptionforcongestionrelief 40 Trafficcontrolandtheintelligenttransportationsystem program 41 Trafficmanagementsystems 41 On-the-rolltollcollection 43 Driverandtravelerinformationsystems 43 Accidentreduction 44 Routeguidance 44 Contents vii Insummary… 44 Betterpublictransportation 45 Carpooling 48 Reversiblelanes 50 High-occupancyvehiclelanes 50 Vehicleautomation 51 Otherfavorites 51 Wheredoesallthisleaveus? 52 References 53 5 Congestion: A Better Strategy? 55 FreewayTrafficFlow101:Thenatureofthephenomenon 56 Afreewaygame 60 Soonceagain(cid:151)theprescription 60 What,then,todo? 61 Offthefreeway(cid:151)surfacestreets 63 Thewaitinglinebugaboo 64 Roadpricing,theeconomists(cid:146)favorite 65 Thesynergyofmeteringpluspricing 67 Lookingahead:asummary 67 Selectedbibliography 68 Appendix5A: Variabledriverbehaviorandthehighwaycapacitycurve 70 6 Some New Kinds of Cars 73 Thecommutercar 73 Onadifferenttrack:theneighborhoodcar 76 Imaginemore 78 Gettingstarted 79 Operationsandimpact(cid:151)thecommutercar 80 Operationsandimpact(cid:151)theneighborhoodcar 82 Headwinds 83 References 84 viii Tomorrow(cid:146)s Transportation: Changing Cities, Economies, and Lives Part II: The City and Transportation 87 7 Transportation and the Evolution of the City 89 Thebirthofthemoderncity 92 Thequalityoflife 94 Whithernow? 96 Selectedbibliography 97 8 The Modern Dilemma: What to Do? 99 Relativeroles 103 Serviceinthesuburbs(cid:151)thin,diffusetravelpatterns 105 Butonceinthecar 106 Wheredoesthisleaveus? 107 What,then,todo? 107 Aboutourdowntowns? 107 EmulateEurope? 108 Transitinperspective 108 Theroadsystem 109 Innovation 110 Next 111 References 111 9 A New Kind of Minicity 113 References 119 10 The Second-Story City 121 Let(cid:146)spushtheenvelope 123 Revitalizeourdowntowns? 123 Reference 124 11 The Variegated City 125 Citiesthrivebyvariegating 126 Lookingaheadattrends(cid:151)folklivingeverywhere 127
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