Enhancing Freeway Safety through Intervening in Traffic Flow Dynamics Based on Variable Speed Limit Control

Table 2

Crash risk evaluation model for the whole segment.

Variables	B.	S.E.	Wals.	Df.	Sig.
Q	0.012	0.001	101.806	1	0.000
DV	0.120	0.020	37.882	1	0.000
Constant	-5.487	0.527	108.473	1	0.000
AUC	0.755	Nagelkerke R^2		0.288