Speed Control in Israel (updated)

The following appeared across the email transom. The source is unknown. The forwarder stated:

One of my Internet Buddies sent it claiming it to be an Isreali invention. Who knows. Maybe it’s a joke, but none-the-less it appears to be a great idea, unless of course people swerve out of their lane and cause an accident!

When drivers pass by, they almost stop  completely due to the holes and to avoid car damages.
When drivers pass by, they almost stop
completely due to the holes and to avoid car damages.
This is a strategy currently used in Israel as a high-speed control. It is more economical than using cameras, radar, police officers, etc.
This is a strategy currently used in Israel as a high-speed control.
It is more economical than using cameras, radar, police officers, etc.
They move them around every day!
They move them around every day!

Update: part of an ad campaign by Pioneer Suspension.

Hi Dr. Levinson, I searched for the message that was written on the road in the pictures and came up with this:

http://www.hoax-slayer.com/fake-potholes.shtml