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Highway Engineering, 3rd Edition

Highway Engineering, 3rd Edition

Martin Rogers, Bernard Enright

ISBN: 978-1-118-37813-7

May 2016, Wiley-Blackwell

424 pages

$44.99

Description

The repair, renovation and replacement of highway infrastructure, along with the provision of new highways, is a core element of civil engineering, so this book covers basic theory and practice in sufficient depth to provide a solid grounding to students of civil engineering and trainee practitioners.

  • Moves in a logical sequence from the planning and economic justification for a highway, through the geometric design and traffic analysis of highway links and intersections, to the design and maintenance of both flexible and rigid pavements
  • Covers geometric alignment of highways, junction and pavement design, structural design and pavement maintenance
  • Includes detailed discussions of traffic analysis and the economic appraisal of projects
  • Makes frequent reference to the Department of Transport’s Design Manual for Roads and Bridges
  • Places the provision of roads and motorways in context by introducing the economic, political, social and administrative dimensions of the subject

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Preface xii

Sources xiv

1 The Transportation Planning Process 1

1.1 Why are highways so important? 1

1.2 The administration of highway schemes 1

1.3 Sources of funding 2

1.4 Highway planning 3

1.5 The decision]making process in highway and transport planning 9

1.6 Summary 14

1.7 References 15

2 Forecasting Future Traffic Flows 16

2.1 Basic principles of traffic demand analysis 16

2.2 Demand modelling 17

2.3 Land]use models 19

2.4 Trip generation 20

2.5 Trip distribution 24

2.6 Modal split 35

2.7 Traffic assignment 40

2.8 A full example of the four]stage transportation modelling process 46

2.9 Concluding comments 52

2.10 References 52

3 Scheme Appraisal for Highway Projects 53

3.1 Introduction 53

3.2 Economic appraisal of highway schemes 54

3.3 CBA 55

3.4 Payback analysis 68

3.5 Environmental appraisal of highway schemes 70

3.6 The New Approach to Appraisal 76

3.7 NATA Refresh (Department for Transport, 2008) 82

3.8 Summary 83

3.9 References 84

4 Basic Elements of Highway Traffic Analysis 85

4.1 Introduction 85

4.2 Surveying road traffic 85

4.3 Journey speed and travel time surveys 91

4.4 Speed, flow and density of a stream of traffic 96

4.5 Headway distributions in highway traffic flow 103

4.6 Queuing analysis 109

4.7 References 119

5 Determining the Capacity of a Highway 120

5.1 Introduction 120

5.2 The ‘level of service’ approach using Transportation Research Board (1994) 120

5.3 Methodology for analysing the capacity and level of service of highways within Transportation Research Board (2010) 134

5.4 The UK approach for rural roads 159

5.5 The UK approach for urban roads 162

5.6 Expansion of 12] and 16]h traffic counts into AADT flows 165

5.7 Concluding comments 167

5.8 References 168

6 The Design of Highway Intersections 169

6.1 Introduction 169

6.2 Deriving DRFs from baseline traffic figures 170

6.3 Major/minor priority intersections 171

6.4 Roundabout intersections 185

6.5 Basics of traffic signal control: Optimisation and delays 198

6.6 Concluding remarks 218

6.7 References 218

7 Geometric Alignment and Design 220

7.1 Basic physical elements of a highway 220

7.2 Design speed and stopping and overtaking sight distances 222

7.3 Geometric parameters dependent on design speed 231

7.4 Sight distances 232

7.5 Horizontal alignment 236

7.6 Vertical alignment 248

7.7 References 262

8 Highway Pavement Materials and Loading 263

8.1 Introduction 263

8.2 Soils at subformation level 265

8.3 Traffic loading 270

8.4 Materials within flexible pavements 275

8.5 Materials in rigid pavements 282

8.6 References 286

9 Structural Design of Highway Pavements 287

9.1 Introduction 287

9.2 Pavement components: Terminology 288

9.3 Foundation design 290

9.4 Pavement design 301

9.5 References 313

10 Pavement Maintenance 315

10.1 Introduction 315

10.2 Pavement deterioration 316

10.3 Compiling information on the pavement’s condition 317

10.4 Forms of maintenance 328

10.5 References 332

11 The Highway Engineer and the Development Process 334

11.1 Introduction 334

11.2 Transport assessments 335

11.3 Travel plans 341

11.4 Road Safety Audits 346

11.5 References 355

12 Defining Sustainability in Transportation Engineering 357

12.1 Introduction 357

12.2 Social sustainability 357

12.3 Environmental sustainability 357

12.4 Economic sustainability 358

12.5 The four pillars of sustainable transport planning 358

12.6 How will urban areas adapt to the need for increased sustainability? 360

12.7 The role of the street in sustainable transport planning 361

12.8 Public transport 371

12.9 Using performance indicators to ensure a more balanced transport policy 374

12.10 A sustainable parking policy 392

12.11 References 395

Index 397