Speed Distribution Prediction of Freight Vehicles on Mountainous Freeway Using Deep Learning Methods

Table 5

KL divergence of the deep learning models with different lengths of input sequence.

Type of model	Length of the input sequence
	100 m	200 m	300 m	400 m	500 m
RNN	0.44	0.35	0.32	0.32	0.32
LSTM	0.25	0.18	0.12	0.11	0.11
GRU	0.34	0.27	0.25	0.25	0.25