General-Logistic-Based Speed-Density Relationship Model Incorporating the Effect of Heavy Vehicles

Table 3

Best values of “b” and “g”.

Heavy vehicle mixing ratio	Best	Best	Adj R^2
0%	5.5145	0.2562	0.9522
5%	5.1437	0.2441	0.9631
10%	4.9342	0.2320	0.9655
15%	4.7085	0.2199	0.9730
20%	4.5150	0.2078	0.9812
25%	4.3055	0.1958	0.9864
30%	4.0959	0.1837	0.9734
35%	3.8864	0.1716	0.9915
40%	3.6768	0.1595	0.9825
45%	3.4673	0.1474	0.9877
50%	3.2577	0.1353	0.9901