Wrong-way spikes
The solution is very simple to end drivers going the wrong way on expressways and causing deadly crashes. Install spikes that when a car is going in the wrong direction it punctures the tires thus making the car inoperable.
It’s cost effective and eliminates the issue.
Art Young, Miami
This story was originally published December 18, 2015 at 3:47 PM with the headline "Wrong-way spikes."