Sunday 22 February 2015

VOLUME II - Table of Contents


CRITERIA FOR EVALUATION - VOLUME II - January, 1981


A. TRANSPORT CRITERIA
I. TRAFFIC PROBLEMS.................................... 5
1. When is Traffic a Problem?..................... 5
1.1 Present and Future Problems.............. 5
1.2 What is a Traffic Problem?............... 5
1.3 Traffic is Growing......................  6
1.4 Traffic and Public Transport............. 7
1.5 The Metropolitan Road System will
    Continue to Function..................... 8
1.6 The Consequences of Doing Nothing....... 11

II. TRAFFIC AND LAND USE.............................. 13
1. The Principle...................................... 13
1.1 Statement of the Principle................... 13
1.2 The Implications............................. 14
1.3 The Aims of the Land Use/Transport Planning
    Process...................................... 15
1.4 The Objective Stated by the Joint Study
    Report....................................... 16
2. The Need for Co-ordination......................... 18
2.1 The Distinction Between Theory and
    Practice..................................... 18
2.2 Inhibitions to Co-ordination................. 2l
2.3 The Position in New South Wales.............. 23
3. The Solution to Transport Problems................. 24
3.1 Introduction................................. 24
3.2 Transport Problems may not Need Transport
    Solutions.................................... 24
3.3 A Transport Solution to a Transport
    Problem may be Undesirable................... 31
4. The Land Use Consequences of Transport Decisions... 36
4.1 The Concept of a Travel Budget............... 36
4.2 The Influence of Transport Upon City
    Shape........................................ 39
4.3 Where Facilities are not Built............... 43
5. The Transport Consequence of Land-Use Decisions.... 45
5.1 The Western Region........................... 45
5.2 Botany Bay port/Mascot Airport............... 46

III. CONGESTION
1. What is Congestion?................................ 47
1.1 Medical Terminology.......................... 47
1.2 The Capacity of a Road....................... 47
1.3 How is Congestion Defined?................... 49
2. Should Congestion Always be Eliminated?............ 50
2.1 The Evidence of the Department of
    Main Roads................................... 50
2.2 The Nature of Traffic Demand................. 53
2.3 The Expansion of Traffic to Fi11
    Available Road Space......................... 55
2.4 Comments by the Department of Main
    Roads Upon the principle..................... 58
2.5 The Views of the Traffic Authority
    of New South Wales........................... 59
2.6 Congestion Must be Accepted in
    Certain Areas................................ 61
2.7 Other Reasons why Congestion must
    be To1erated................................. 62
IV. ACCESSIBILITY
1. What is Accessibility?............................. 66
1.1 Definition................................... 66
1.2 Certain Distinctions are Important........... 66
2. Accessibility is a Facet of the Land Use/
   Transportation Interaction......................... 66
2.1 Consequences where Accessibility is
    Pursued as an Ideal.......................... 66
2.2 The Benefits Opened up by
    Maximizing Accessibility..................... 74
2.3 The Opportunities for Recreation
    and Shopping Journeys........................ 75
2.4 Contrast a Plan Dedicated to
    Accessibility with Regions................... 77
2.5 Where there is a problem of
    Accessibility, What can be Done.............. 80
3. Accessibility in Sydney............................ 81
3.1 Journey Times in Sydney Compared, to
    Other Capital Cities......................... 81
3.2 Accessibility by public Transport............ 82
3.3 Differences in Accessibility for
    Various parts of Sydney...................... 83
3.4 Accessibility for Trucks..................... 86
3.4.1 The problem posed by Trucks........... 86
3.4.2 The Missing East-West Link............ 88
3.4.3 Shopping Centre By-passes............. 91
4. Accessibility May Have to Be Sacrificed
   to Other Objectives................................ 91
4.1 Accessibility is but one Variable............ 91
4.2 Restraint of Motor Vehicles.................. 92
4.3 Inhibitions to Accessibility may
    Protect the Environment...................... 94

V. HIERARCHY OF ROADS................................. 99

1. What is a Road Hierarchy?.......................... 99
1.1 The Functiona1 Classification of Roads....... 99
1.2 Historical perspective...................... 100
1.3 The Classification of Roads................. 101
1.4 How the Classification is Made.............. 105
2. Truck Routeing.................................... 106
2.1 The Concept of Truck Routeing............... 106
2.2 What Routes Should the Trucks Follow?....... 107
3. The Implementation of the Road Hierarchy.......... 110
3.1 Piecemeal Implementation.................... 110
3.2 The Canterbury Council...................... 111
3.3 The Opportunity Offered by SCAT............. 112
3.4 Should the Hierarchy be Developed Before
    any Commitment to a Major Road Project...... 115

VI. FORECASTING...................................... 117
1. Forecasting Future Travel......................... 117
1.1 Why are Forecasts Necessary?................ 117
1.2 The Hazards of Forecasting.................. 118
1.3 The Danger of Traffic Forecasts............. 120
2. Techniques of Forecasting......................... 122
2.1 Extrapolation of past Trends................ 122
2.2 The 'Four Step’ Model....................... 124

VII. TRAFFIC MODELLING
1. The Technique Described........................... 125
1.1 Introduction................................ 125
1.2 Traffic is Regular and Therefore Predictable 125
1.3 The Model Reproduces the Morning Peak....... 126
1.4 The Methodology Employed, in the
    Transportation Model........................ 127
2. The Four-Step Model............................... 130
2.1 Step 1: Trip Production/Attraction.......... 130
2.1.1 Data Collection and
      Survey............................... 130
2.1.2 The Trip Generation and
      Trip Attraction Equations
      Derived by SATS...................... 131
2.1.3 The Information Required to Calculate
      the Number of Trips.................. 133
2.1.4 The Compilation of Data by Zone...... 134
2.2 Step 2: Trip Distribution................... 135
2.3 Step 3: Modal Split......................... 137
2.3.1 Introduction......................... 137
2.3.2 The Methodology Employed in
      Determining Public Transport Users... 138
2.4 Step 4: Trip Assignment..................... 140
2.5 Forecasting with the Four-Step Model........ 143
3. Limitations of the Four-Step Model................ 144
3.1 Introduction................................ 144
3.2 The Mode1 Assumes Tomorrow Will be a
    Bigger Version of Today..................... 146
3.3 The Performance of Other Similar
    Traffic Models.............................. 147
3.4 The Model Assumes a Fixed Trip Matrix....... 150
3.4.1 Trip Suppression Through Congestion.. 150
3.4.2 Traffic Generated by the Facility.... 151
3.5 The Model Assumes a Fixed Land Use Plan..... 152
3.6 The Mode1 Ignores the Capacity of
    Policy to Alter Trends...................... 154
3.7 Insensitivity of the Model to Fuel Shortage. 156
3.8 The Public's Understanding of the Model..... 158
3.9 The Possibility of Significant Change....... 160
3.10 The Move Towards Simpler Models............ 161
4. Major Assumptions Underlying the Model............ 161
4.1 Introduction................................ 161
4.2 Estimates of population and its Location.... 161
4.3 Employment and Land Use..................... 170
4.4 The Growth in Car Ownership................. 172
4.4.1 The Approach by the SATS Study....... 172
4.4.2 Criticism of the Car Ownership Model. 175
4.4.3 The Performance of the Car
      Ownership Model...................... 177
4.5 Economic Growth and Workforce Participation. 179
4.6 The Price and Availability of Fuel.......... 179
4.6.1  The Issues which Must be Addressed.. 179
4.6.2  The Judgement of Other Inquiries.... 190
4.6.3  The Supply of Oil in Australia...... 194
4.6.4  The prospects of New Discoveries.... 196
4.6.5  The prospects of a Petroleum
       Substitute.......................... 199
4.6.6  What, then, are the prospects for
       Australia?.......................... 190
4.6.7  The Wor1d’s Supply of Oil........... 191
4.6.9  The OPEC Organisation............... 193
4.6.10 Australia's Supply of Oil
       is Highly Uncertain................. 194
4.6.11 The Effect of Fuel price
       Rises on Travel Demand.............. 197
4.6.12 Postcript on Land Use............... 199
5. The Application of the Model in the Present
   Inquiry........................................... 200
5.1 The Triptables Used in the Inquiry.......... 200
5.2 Can the Inquiry Rely Upon Triptable D?...... 201
5.3 The Model Measures Corridor Movements....... 208
5.4 The Use of the Model in the Inquiry......... 209

VIII. PRIORITIES..................................... 217
1. The Road Construction Budget...................... 271
1.1 The Road Construction Budget is Shrinking... 211
1.2 The Present Sydney/Metropolitan Budget...... 213
2.  The Ordering of priorities....................... 214
2.1 The Issues to be Addressed.................. 214
2.2 The Method Employed by the Department of
    Main Roads.................................. 215
2.3 The Use by the Department of Main Roads of
    Cost/Benefit Analysis....................... 217
2.4 The Equitable Allocation of Funds........... 218
2.5 The Need to Examine a Range of Alternatives. 220

B. PLANNING CRITERIA
I. HISTORICAL PERSPECTIVE............................ 229
1. Transportation Planning in Sydney................. 229
1.1 Introduction................................ 229
1.2 The County of Cumberland Plan 1951.......... 229
1.3 The Sydney Region Outline Plan.............. 232
1.4 The Commonwealth Bureau of Roads 1973....... 239
1.5 The Report of the Urban Transport Advisory
    Committee (URTAC) 1976...................... 242
2. Transport Corridors............................... 244
2.1 Historical Introduction..................... 244
2.2 URTAC Report of March 1976.................. 245
2.3 The Concept of Declared Corridors........... 247
2.4 Planning Without a Corridor................. 251
2.5 The Corridors in the present Inquiry........ 252

C. ECONOMIC CRITERIA
I. COST/BENEFIT ANALYSIS
1. The Technique of Cost/Benefit Analysis............ 259
1.1 Introduction................................ 259
1.2 What is Cost/Benefit Analysis............... 261
1.3 What Benefits and Costs are Included
    in the Analysis?............................ 261
1.4 Property Acquisition and Construction Costs. 262
1.4.1 The Costs Must be Accurate........... 262
1.4.2 Value of property Already Acquired... 263
1.4.3 Value of Open Space Resumed.......... 263
1.4.4 Maintenance Costs.................... 264
1.5 The Benefit of Operating Costs Savings...... 264
1.6 The Benefit of Time Savings................. 266
1.6.1 The Issues which must be Considered.. 266
1.6.2 Smal1 Time Savings................... 266
1.6.3 The Value of Time.................... 269
1.7 The Benefit of Accident Savings............. 271
1.8 How are Costs and Benefits Calculated?...... 273
1.9 Expansion Factors........................... 274
1.9.1 What is an Expansion Factor?......... 274
1.9.2 Conversion of peak Benefits to
      Daily Benefits....................... 275
1.9.3 Expansion of 24-hour Benefits to
      Annual Benefits...................... 276
1.10 The Discount Rate.......................... 278
1.11 The Benefit/Cost Ratio and
     Other Related Concepts..................... 280
1.l2 Sensitivity Tests.......................... 282
2. Limitations of Cost/Benefit Analysis.............. 283
2.1  Introduction............................... 283
2.2  The Technique is Dependent Upon an Ability
     to Predict Traffic Flows on Sydney Streets
     in 10-15 Years’ Time....................... 284
2.3  Criticism of What it Includes.............. 285
2.4  Criticism of What the Analysis Excludes.... 287
2.5  Criticism of the Assumptions: The
     Inclusion of Certain Benefits.............. 288
2.6  It is Inappropriate to Concentrate on
     Travel Speed............................... 289
2.7  The Effect on Public Transport is Ignored.. 289
2.8  Cost/Benefit Analysis is Inherently
     Conservative and Favours Existing Modes.... 290
2.9  The Danger that the Analysis will be Given
     Undue Weight because it Produces a Number.. 290
2.10 The Analysis Disguises Choices
     Arrived at by Other Means.................. 290
2.11 The Cost/Benefit Analysis Hides the Issue
     of Equity; Who Gains and Who Loses......... 291
2.12 It is Unintelligible to a Layperson........ 291
3. The Role of Cost/Benefit Analysis in
   Environmental Inquiries........................... 292
3.1 The Merits of the Technique................. 292
3.2 The Role of Cost Effectiveness.............. 294
3.3 Cost/Benefit Analysis One of Many Factors... 295
4. The Application of Cost/Benefit Analysis
   in the Present Inquiry............................ 296
4.1  Problems with the Modelling Procedure...... 296
4.2  The Cost Estimates used in the Analysis.... 297
4.3  The Cost of the Cooks River Option......... 297
4.4  The Cost of Widening Canterbury Road....... 299
4.5  The Value of Businesses Affected........... 302
4.6  The Valuation of properties in the South
     Western Corridor........................... 303
4.7  The Valuation of Open Space................ 304
4.8  Construction Costs not Supported by
     Investigation.............................. 306
4.9  Other Minor Blemishes Upon the Cost
     Estimates.................................. 308
4.10 Other Matters Affecting Cost Estimates..... 309
4.11 The Discount Year.......................... 311
4.12 The Benefits for the South Western Option.. 311
4.13 Marginal Cost/Benefit Analysis............. 312

II. EQUITY........................................... 315
1. The Concept of Equity............................. 315
1.1 The Meaning of the Term..................... 315
1.2 The Importance of Equity to the
    Evaluation Process.......................... 316
1.3 Submissions to the Inquiry.................. 317
1.4 The Issue Not Adequately Addressed by
    Government Departments in the Inquiry....... 318
2. The Questions Relevant to Judging Equity.......... 321
2.1 What are the Benefits?...................... 321
2.2 Who Receives the Benefits?.................. 322
2.3 Who is Disadvantaged and What is the Nature
    of the Disadvantage?........................ 324
2.4 To What Extent do those Deriving Benefits
    and those Suffering Disadvantages Coincide?. 325
2.5 What Measures are proposed to Ameliorate
    Disadvantages Suffered?..................... 327
2.6 Consideration of those without Cars and
    of Public Transport......................... 328
3. Techniques for Considering Issues of Equity....... 330
3.1 The Planning Balance Sheet Technique........ 330
3.2 Viewing each Alternative from the
    Perspective of Different Groups............. 331
4. The Concept of Accountability..................... 332
4.1 The Concept Explained....................... 332
4.2 Do Expressions of Public Preference
    Determine the Result?....................... 333



TABLES
Table 1  – Forecast of Average Annual
           Kilometres per Vehicle...................... 6
Table 2  – Average Length of Journey to Work
           in Major Employment Areas.................. 37
Table 3  – Average Duration of Journey to Work
           by Residential Area and Sex 1971........... 38
Table 4  - Average Duration of the Journey to
           Work by Main Travel Mode and Employment
           Area 1971.................................. 38
Table 5  – The Local Balance Between Workers and
           Jobs by Sex................................ 70
Table 6  – The Response to Local Job Opportunities
           by Sex..................................... 71
Table 7  - Duration of the Journey to Work
           Australia, 1974............................ 81
Table 8  - The Job Opportunities within Forty
           Minutes (1976)............................. 85
Table 9  - Percentages of Sydney Region's
           Manufacturing and Non-Manufacturing
           Employment Opportunities within
           40 Minutes Travel Time..................... 96
Table 10 - Rank of Percentages of Sydney Regions
           Manufacturing and Non-Manufacturing
           Employment Opportunities within
           40 Minutes Travel Time..................... 96
Table 11 - Percentage of Sydney Region's
           Employment Opportunities within
           40 Minutes Travel Time for 1971,
           1976, 1991................................. 97
Table 12 - Rank of Percentage of Sydney Region’s
           Employment Opportunities within 40
           Minutes Travel Time for 1971,
           1976, 1991................................. 98
Table 13 - Motor Vehicle Registrations 1910-1979..... 100
Tab1e 14 - Number of Children Considered Ideal in
           Australia (percentage of Respondents)..... 163
Tab1e 15 - Comparison of the Low Estimate
           Technical Bulletin No. 8 and
           the Medium Estimate, February, 1979....... 167
Tab1e 16 - Sources of Australia's Imported
           Oi1 1975-76............................... 192
Tab1e 17 - Comparison of Triptables and Trip
           Growths................................... 203
Tab1e 18 - Projected Peak Period Movement
           (Major Direction) Base Case............... 204
Tab1e 19 - Projected Peak period Movement (Major
           Direction) Cooks River Route.............. 204
Tab1e 20 - Projected Peak period Movement (Major
           Direction) South-Western Freeway.......... 205
Tab1e 21 - Commonwealth Government Expenditure
           1969/70 and 1978/79....................... 212
Tab1e 22 – Population Projections Sydney Region
           Outline Plan.............................. 237
Tab1e 23 - Population Projection Made in 1979 by the
           Planning and Environment Commission....... 237
Tab1e 24 - Comparison Between Population Estimates... 238
Tab1e 25 - Vehicle Operating Costs
           (Cents/Kilometre)......................... 265





FIGURES
Figure  1 – Employment in Relation to Work Force...... 27
Figiure 2 – SATS Recommended Highway System
            for Sydney................................ 33
Figure  3 – Sydney Area Transportation Study
            Recommended Highway System................ 76
Figure  4 - Major Freight Areas and Main Roads
            South of Sydney Harbour (1975............. 87
Figure  5 – Functional Classification of Roads....... 102
Figure  6 – Growth - Princes Highway at Cooks
            River Bridge, Tempe...................... 123
Figure  7 – Work Journeys to Manufacturing Jobs
            from Home................................ 136
Figure  8 – Car Ownership Against Time (The
            Logistic Curve Used in the United
            Kingdom)................................. 174
Figure 9  - Comparison of Retail Petrol Prices
            with Average Earnings (in 1978 dollars).. 182
Figure 10 – Australian Energy Demand................. 185
Figure 11 – Australia - Oi1 Supply/Demand (No New
            Oil Discoveries)......................... 186
Figure 12 - Australia - Oil Supply (with New
            Discoveries)............................. 188
Figure 13 - Distribution of Known Oil Reserves....... 192
Figure 14 - Expenditure on Construction of Roads
            and Bridges in the County of Cumberland
            by D.M.R. 1949/50 to 1976/77............. 211
Figure 15 - Cost Effectiveness Graph................. 294




ANNEXURES
Annexure 1 - Transportation Modelling - An
             Esoteric Exercise by W.R. Blunden....... 338
Annexure 2 - Cost-Benefit Analysis in the
             Kyeemagh-Chullora Road Inquiry
             by M.E. Beesley......................... 349
Annexure 3 - Discussion of the Economic
             Analysis of Highway Improvements
             by W.R. Blunden......................... 372