Developing a Travel Time Estimation Method of Freeway Based on Floating Car Using Random Forests

Table 9

The MAD of Random Forests model and BP neural network model.

Data set	Traffic state	Random Forests model	BP Neural Network model
Training Data	free-flow	0.5264	0.5414
	transition	0.5768	0.6003
	congestion	1.2856	1.8827
	average	0.8043	0.8987
Test Data	free-flow	0.5405	0.5898
	transition	0.6640	0.8375
	congestion	1.3024	1.9009
	average	0.8139	0.9076