advanced warning time) Warning time (>60 Warning time (<20 Collision Speed Train speed (Tidwell Jr and Humphreys) Vehicle speed (Tidwell Jr and Humphreys) Socio Demographics Driver gender 0.051 (Male) Driver age (Years) Vehicle type 0.005 (Pick-up) Vehicle type 0.009 (Van) Constant (1) 5.893 Constant (2) 7.977 SUMMARY Number of 15639 Observations Pseudo-R2 0.155 Log Likelihood at 0 Log Likelihood at -10864.80 β Likelihood 3993.09 Ratio 2 χ Prob > 2 0.000 χ NOTE: Marginal effects are the changes of probability from a lower level to a higher level with a unit change in the independent variable. 1 (Log Likelihood at Likelihood – β/Log at 0) Base level for pre-crash behavior is "stopped on crossing (out of vehicle)." Base level for crossing control is fully protected crossing, i.e., "gates & flashing lights & audible warnings."
advanced warning time) Warning time (>60 Warning time (<20 Collision Speed Train speed (Tidwell Jr and Humphreys) Vehicle speed (Tidwell Jr and Humphreys) Socio Demographics Driver gender (Male) 0.051 Driver age (Years) Vehicle type (Pick-up) 0.005 Vehicle type (Van) 0.009 Constant (1) 5.893 Constant (2) 7.977 SUMMARY Number of Observations 15639 Pseudo-R2 0.155 Log Likelihood at 0 Log Likelihood at β -10864.80 Likelihood Ratio χ 2 3993.09 Prob > χ 2 0.000 NOTE: Marginal effects are the changes of probability from a lower level to a higher level with a unit change in the independent variable. 1 – (Log Likelihood at β/Log Likelihood at 0) Base level for pre-crash behavior is "stopped on crossing (out of vehicle)." Base level for crossing control is fully protected crossing, i.e., "gates & flashing lights & audible warnings."