Highway Engineering
Highway Engineering
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Author(s): Rogers, Martin
ISBN No.: 9781405163583
Pages: 352
Year: 200807
Format: Trade Paper
Price: $ 89.59
Status: Out Of Print

1 The Transportation Planning Process.1.1 Why are highways so important?.1.2 The administration of highway schemes.1.3 Sources of funding.1.


4 Highway planning.1.4.1 Introduction.1.4.2 Travel data.1.


4.3 Highway planning strategies.1.4.4 Transportation studies.1.5 The decision-making process in highway and transport planning.1.


5.1 Introduction.1.5.2 Economic assessment.1.5.3 Environmental assessment.


1.5.4 Public consultation.1.6 Summary.1.7 References.2 Forecasting Future Traffic Flows .


2.1 Basic principles of traffic demand analysis.2.2 Demand modelling.2.3 Land use models.2.4 Trip generation.


2.5 Trip distribution.2.5.1 Introduction.2.5.2 The gravity model.


2.5.3 Growth factor models.2.5.4 The Furness method.2.6 Modal split.


2.7 Traffic assignment.2.8 A full example of the four-stage transportation modelling process.2.8.1 Trip production.2.


8.2 Trip distribution.2.8.3 Modal split.2.8.4 Trip assignment.


2.9 Concluding comments.2.10 References.3 Scheme Appraisal for Highway Projects.3.1 Introduction.3.


2 Economic appraisal of highway schemes.3.3 Cost-benefit analysis.3.3.1 Introduction.3.3.


2 Identifying the main project options.3.3.3 Identifying all relevant costs and benefits.3.3.4 Economic life, residual value and the discount rate.3.


3.5 Use of economic indicators to assess basic economic viability.3.3.6 Highway CBA worked example.3.3.7 COBA.


3.3.8 Advantages and disadvantages of cost-benefit analysis.3.4 Payback analysis.3.5 Environmental appraisal of highway schemes.3.


6 The new approach to appraisal (NATA).3.7 Summary.3.8 References.4 Basic elements of highway traffic analysis.4.1 Introduction.


4.2 Surveying road traffic.4.2.1 Introduction.4.2.2 Vehicle surveys.


4.2.3 Speed surveys.4.2.4 Delay / queuing surveys.4.2.


5 Area wide surveys.4.3 Journey Speed and travel time surveys.4.3.1 Introduction.4.3.


2 The moving observer method.4.4 Speed, flow and density of a stream of traffic.4.4.1 Speed-density relationship.4.4.


2 Flow - density relationship.4.4.3 Speed - Flow Relationship.4.5 Headway distributions in highway traffic flow.4.5.


1 Introduction.4.5.2 Negative exponential highway distribution.4.5.3 Limitations of Poisson system for modelling headway.4.


6 Queuing Analysis.4.6.1 Introduction.4.6.2 The D/D/1 Queuing Model.4.


6.3 The M/D/1 Queuing Model.4.6.4 The M/M/1 Queuing Model.4.6.5 The M/M/N Queuing Model.


4.7 References.5 Determining the capacity of a highway .5.1 Introduction.5.2 The 'Level of Service' Approach.5.


2.1 Introduction.5.2.2 Some definitions.5.2.3 Maximum service flow rates for multilane highways.


5.2.4 Maximum service flow rates for 2-lane highways.5.2.5 Sizing a road using the Highway Capacity Manual Approach.5.3 The UK Approach for rural roads.


5.3.1 Introduction.5.3.2 Estimation of AADT for a rural road in its year of opening.5.4 The UK Approach for Urban Roads.


5.4.1 Introduction.5.4.2 Forecast flows on urban roads.5.5 Expansion of 12 and 16 hour traffic counts into AADT flows.


5.6 Concluding Comments.5.7 References.6 The Design of Highway Intersections.6.1 Introduction.6.


2 Deriving design reference flows from baseline traffic figures.6.2.1 Existing junctions.6.2.2 New junctions.6.


2.3 Short-term variations in flow.6.2.4 Conversion of AADT to highest hourly flows.6.3 Major/minor priority intersections.6.


3.1 Introduction.6.3.2 Equations for determining capacities and delays.6.3.3 Geometric layout details.


6.4 Roundabout intersections.6.4.1 Introduction.6.4.2 Types of roundabout.


6.4.3 Traffic capacity at roundabouts.6.4.4 Geometric details.6.5 Basics of traffic signal control: optimisation and delays.


6.5.1 Introduction.6.5.2 Phasing.


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