You Must Download dataset first from this repository:
https://github.com/Davidham3/STSGCN
Uncompress data file using `tar -zxvf data.tar.gz`
Make Sure this dir have four folders:
```
FS-TFP\DATA\TRAFFICFLOW
├─PeMS03
├─PeMS04
├─PeMS07
└─PeMS08