You won't hear it on the news, but most of the roads in Houston are now empty.
The speed map at 7 pm today:
The traffic cameras are available here.
This picture is I-45 at Beltway 8 at 7pm today.
According to the news media, things are very bad in Houston. I don't see it. I know things were bad earlier, but no one bothers to tell you things are getting better. They are, and there's plenty of time before the hurricane makes landfall.