Why is There a Network Jammer In The Car?

"Is there any other route that we could take to reach the airport?" Li Jing asked the driver from the shotgun seat after seeing a car toppled against a truck in the middle of the road which was probably a result of some accident. "We are already running late and can't afford to wait here."

They were on the outskirts of the city and the sky had already turned dark, resulting in very few vehicles on the road. No one knew how long would it take to clear the route again and if they waited any longer, they would surely miss their flight back home.