Research Article

Incorporating Traffic Flow Model into A Deep Learning Method for Traffic State Estimation: A Hybrid Stepwise Modeling Framework

Figure 9

Comparison speed between observations and estimations on different days. (a) Speed observations on 07/26/2017, (b) Speed estimations on 07/26/2017, (c) Speed observations on 07/27/2017, (d) Speed estimations on 07/27/2017, (e) Speed observations on 07/28/2017, (f) Speed estimations on 07/28/2017, (g) Speed observations on 07/31/2017, and (h) Speed estimations on 07/31/2017.