mode choice logit model is to be developed based on the following information. A survey of travellers in an area with bus service found the following data: Model Parameter Auto Bus X1, waiting time (min.) 0 10 X2, travel time (min.) 20 35 X3, parking time (min.) 5 0 X4, out-of-pocket cost (cents) 225 100 Ak, calibration constant _0.33 _0.27 The following utility functions were calibrated
A mode choice logit model is to be developed based on the following information. A survey
of travellers in an area with bus service found the following data:
Model Parameter Auto Bus
X1, waiting time (min.) 0 10
X2, travel time (min.) 20 35
X3, parking time (min.) 5 0
X4, out-of-pocket cost (cents) 225 100
Ak, calibration constant _0.33 _0.27
The following utility functions were calibrated based on an observed mode split of 84.9%
private auto use and 15.1% bus use.
Utility function: Uk = Ak -- 0.10 X1 - 0.13 X2 - 0.12 X3 - 0.0045 X4
After implementing service improvements to the buses, the mode split changed to 81.6%
private auto use and 18.4% bus use. Determine a value for the calibration constant for the bus
mode that reflects this shift in mode split.
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