CE 155, Lecture 10
Outline: Link performance (time-space analysis)
Human factors dilemma zones
o Example 2: speed limits
Time-space diagrams (1 vehicle)
Applications
o Transit stop delay
o Traffic signal timing
Puzzle
Assume there are three people going f

CE 155, Lecture 9
Outline: Vehicle and human performance
Resistance / Propulsion problems
Solutions
o Analytic
o Numerical
Driver characteristics
o Vision
o Magnitudes
o Quickness
Examples
Resistance / Propulsion problems
Remember from previous class
~
~P

CE 155, Lecture 8
Outline
Vehicle Performance
o Overview of performance studies
o Support / Buoyancy
o Stability
o Resistance
o Propulsion
o Application / Examples
Overview
Recall: Transportation system abstract mathematical network
Network
Performance
An

CE 155, Lecture 7
Outline
Demand Modeling / Estimation
o Utility theory
Last day The Binomial Logit (BNL) Model
BNL aggregation / example
Estimation / example
o Non-utility models
Performance Modeling (Read Hays pages ahead of next class)
Last day The Bin

CE 155, Lecture 6
Outline
Demand Modeling (prediction/estimation)
o Joint Demand: multinomial formula (continuation)
Elasticity / x- elasticity
o Caveats
o Simplification
o The Binomial Logit (BNL) Model
o Generalization
o Estimation
Joint DemandMultinomi

CE 155, Lecture 5
Outline
Demand Modeling (prediction)
Demographic distribution / Aggregation
Example
General Formula
Joint Demand: multinomial formula
o Diversion
o Induced demand
Demographics and Aggregation
Below is a simplified flow chart describi

CE 155, Lecture 4
Outline
Demand Modeling(continuation)
o Joint Demand function
o 3 steps: specification, estimation, prediction
o Statistics/estimation
o Utility theory / specification & prediction
Demand Modeling review
Explanatory variables
Parameters

CE 155, Lecture 3
Outline
Focusing of trips - hierarchy (continuation)
How Transportation Systems are studied
o Terminology/Networks
o The planning process/Models
Demand Modeling
Focusing of trips - hierarchy (continuation)
See graph in previous class.
Hu

Outline
Scope of Transportation Systems (continuation)
What Transportation Systems do (good and bad)
How Transportation Systems work
Scope of Transportation Systems
Wide scope (from global to local): 30% of the GDP is estimated to come from
transportation

Outline
The field of Transportation Systems Engineering
Scope of Transportation Systems
The field of Transportation Systems Engineering:
What professionals do
Large scale
systems
Planners
Small scale
Transportation
Engineers
Multimodal
Demand analysis
Mul