FSUTMS Comprehensive Modeling Workshop - Cambridge ...

Types of Mode Choice Models
►Highway-Only Mode Choice
Occupancy Model – Converts person trips to
vehicle trips using auto occupancy factors.
►Transit Mode Choice
Multinomial Logit Model – Splits trips among a
variety of auto and transit modes.
Nested Logit Model – Splits trips among a series
of modes and submodes.
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Highway-Only Mode Choice – Occupancy Model
► Overview of Occupancy Model
Converts person trips to vehicle trips by applying an
auto occupancy factor supplied by the user for each
purpose.
Adds all vehicle trips into a single purpose for the
assignment process.
Transposes
productions and attractions to origins and
destinations
50/50 split between zone pairs
A balanced trip table is needed to reflect travel over a 24-hour
period.
Auto Auto Occupancy Rates or Auto Occupancy Factors can
generally be designated in the Scenario Manager
Catalog Keys for Cube models.
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