Fundamentals of Transportation/Mode Choice/Problem

TProblem

Problem:

You are given the following mode choice model.

$U_{ijm}=-1C_{ijm}+5D_T$

Where:

• $C_{ijm}$ = travel cost between $i$ and $j$ by mode $m$
• $D_T$ = dummy variable (alternative specific constant) for transit

and Travel Times

Auto Travel Times

Origin\Destination	Dakotopolis	New Fargo
Dakotopolis	5	7
New Fargo	7	5

Transit Travel Times

Origin\Destination	Dakotopolis	New Fargo
Dakotopolis	10	15
New Fargo	15	8

A. Using a logit model, determine the probability of a traveler driving.

B. Using the results from the previous problem (#2), how many car trips will there be?

• Solution

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