Highway Traffic Analysis and Design

Front Matter....Pages i-viii
Front Matter....Pages 1-1
Introduction to the transportation planning process....Pages 3-7
The transportation study area....Pages 8-11
The collection of existing travel data....Pages 12-17
The external cordon and screenline surveys....Pages 18-21
Other surveys....Pages 22-25
Trip generation....Pages 26-37
Trip distribution....Pages 38-54
Modal split....Pages 55-62
Traffic assignment....Pages 63-70
The evaluation of transportation proposals....Pages 71-88
Front Matter....Pages 89-89
The capacity of highways between intersections....Pages 91-100
Headway distributions in highway traffic flow....Pages 101-118
The relationship between speed, flow and density of a highway traffic stream....Pages 119-130
Traffic speed distributions and estimation....Pages 131-145
Highway link design....Pages 146-158
Intersections with priority control....Pages 159-165
Driver reactions at priority intersections....Pages 166-172
Capacities and delays at priority intersections....Pages 173-181
A simulation approach to delays at priority intersections....Pages 182-192
Roundabout intersections....Pages 193-201
Front Matter....Pages 89-89
Grade-separated junctions and interchanges....Pages 202-214
Merging, diverging and weaving at grade-separated junctions and interchanges....Pages 215-221
Queueing processes in traffic flow....Pages 222-231
Geometric delay at non-signalised intersections....Pages 232-235
The environmental effects of highway traffic noise....Pages 236-252
The environmental effects of highway traffic pollution....Pages 253-258
Traffic congestion and restraint....Pages 259-269
Front Matter....Pages 271-271
Introduction to traffic signals....Pages 273-275
Warrants for the use of traffic signals....Pages 276-280
Staging and phasing....Pages 281-282
Signal aspects and the intergreen period....Pages 283-285
Signal control strategies....Pages 286-291
Geometric factors affecting the capacity of a traffic signal approach....Pages 292-295
The effect of traffic factors on the capacity of a traffic signal approach....Pages 296-300
Determination of the effective green time....Pages 301-303
Optimum cycle times for an intersection....Pages 304-310
The timing diagram....Pages 311-313
Early cut-off and late-start facilities....Pages 314-317
Opposed right-turning vehicles and gap acceptance....Pages 318-321
The ultimate capacity of the whole intersection....Pages 322-324
Front Matter....Pages 271-271
The optimisation of signal-approach dimensions....Pages 325-329
Optimum signal settings when saturation flow falls during the green period....Pages 330-334
Delay at signal-controlled intersections....Pages 335-343
Average queue lengths at the commencement of the green period....Pages 344-349
Programs for traffic signal design....Pages 350-354
The co-ordination of traffic signals....Pages 355-357
Time and distance diagrams for linked traffic signals....Pages 358-362
Platoon dispersion and the linking of traffic signals....Pages 363-366
The prediction of the dispersion of traffic platoons downstream of signals....Pages 367-369
The delay/offset relationship and the linking of signals....Pages 370-378
Urban traffic control systems....Pages 379-387
Back Matter....Pages 388-392