urban transportation planning introduction.ppt

Urban transportation planning

1. CE5601:
Urban Transportation Planning

2. Jamshedpur Urban Agglomeration

4. Planning
•Planningmaybedefinedastheactivityor
processthatexaminesthepotentialof
futureactionstoguideasituationora
systemtowardsadesireddirection,for
example,towardtheattainmentof
positivegoals,theavoidanceofproblems
orboth.
•It is oriented toward the future

6. Travel Demand Modelling
•Trends, Overall Planning process,
•Long term -Short term planning,
•Demand Function, Independent Variables,
Travel Attributes,
•Assumptions in Demand Estimation,
•Sequential, and Simultaneous Approaches,
•Aggregate and Disaggregate Techniques,
•Tour based models, and Activity based
models.

8. Data Collection and Inventories
•Collectionofdata–Organisationofsurveysand
Analysis
•StudyArea-Zoning
•TypesandSourcesofData,RoadSideInterviews,
HomeInterviewSurveys,CommercialVehicle
Surveys
•SamplingTechniques,ExpansionFactors,
AccuracyChecks
•UseofSecondarySources,Economicdata–
Income–Population–Employment–Vehicle
OwnerShip.

10. TRIP GENERATION MODELS
•UTPS Approach,
•TripGenerationAnalysis:
–ZonalModels
–CategoryAnalysis
–HouseholdModels
–TripAttractionmodels
–CommercialTripRates

11. Trip Productions
1000 trips
produced

12. Trip Attractions
1000 trips
attracted

13. Trip Generations
1000 trips
produced
1000 trips
attracted

14. TRIP DISTRIBUTION MODELS
•Growth Factor Methods
•Gravity Models
•Opportunity Models
•Time Function Iteration Models

15. Trip Distributions
1000 trips
produced
1000 trips
attracted
200 trips from
zone 46 to
zone 29

16. MODE SPLIT ANALYSIS
•Mode Choice Behavior
•Competing Modes
•Mode Split Curves
•ModeChoiceModelsandProbabilistic
Approaches–LogitModel

17. Modal Split Analysis
1000 trips
produced
1000 trips
attracted
200 trips
from zone 46
to zone 29
Private total: 190 (95%) Public transit: 10 (5%)

18. TRAFFIC ASSIGNMENT
TECHNIQUES
•DiversionCurves
•BasicElementsofTransportNetworks,
Coding,RouteProperties
•PathBuildingCriteria,SkimmingTree
•All-or-NothingAssignment
•Capacity Restraint Techniques,
ReallocationofAssignedVolumes
•EquilibriumAssignment
•MultipathAssignmentTechnique

19. Traffic Assignment
1000 trips
produced
1000 trips
attracted
200 trips
from zone 46
to zone 29
Private total: 95%
Public transit: 5%
70% this route
25% this route

20. 4-step Transportation Demand
Forecasting Process
•Preparation:PopulationandEconomicanalysis
andLanduseanalysis
Trip
generation
Determineshowmanytripseachactivity(center)
(residentialarea,commercialarea,etc)will
produceorattract
Trip
distribution
Determinestheoriginordestinationoftripsthat
aregeneratedatagivenactivity
ModalsplitDetermineswhichmodeoftransportationwillbe
usedtomakethetrip
Traffic
assignment
Determineswhichrouteonthetransportation
networkwillbeusedwhenmakingthetrip