New Algorithms for Computing the Time-to-Collision in Freeway Traffic Simulation Models

Table 2

Computation times for the example dataset.

Algorithm type	Computation time (sec)	Correlation coefficient between inverse TTC and reaction intensity ()
Circle algorithm	18	0.381
Rectangle algorithm	32	0.522
Ellipse-rectangle algorithm	45	0.732
Optimized algorithm	17	0.732
Optimized algorithm only using big circle	36	0.732
Optimized algorithm only using small circle	48	0.732