Research Article

Calibration of Microscopic Traffic Flow Simulation Models considering Subsets of Links and Parameters

Table 2

Calibration parameter in CORSIM models [3].

Driver behaviorVehicle performanceDemand patterns

NETSIM model (surface streets)
 Queue discharge headwaySpeed and acceleration characteristicsSurface street turn movements
 Start-up lost time
 Distribution of free-flow speed by driver typeFleet distribution and passenger occupancy
 Mean duration of parking maneuvers
 Lane-change parameters
 Maximum left- and right-turning speeds
 Probability of joining spillback
 Probability of left-turn jumpers and lagers
 Gap acceptance at stop signs
 Gap acceptance for left and right turns
 Pedestrian delays
 Driver familiarity with their path

FRESIM model (freeways)
 Mean start-up delay at ramp metersSpeed and acceleration characteristicsFreeway turn movements
 Distribution of free-flow speed by driver type
 Incident rubbernecking factorFleet distribution and passenger occupancy
 Car-following sensitivity factor
 Lane change gap acceptance parametersMaximum deceleration values
 Parameters that affect the number of discretionary lane changes