Checkpoint system disables bad guys.

AuthorWilliams, Robert H.
PositionTECH TALK - Brief article

A battery operated speed bump with retractable blades--designed for military and law enforcement use--can instantly shred vehicle tires. Produced by PMG Inc. of Wheeling, W.Va., the temporary roadblock apparatus package, or TRAP, offers traffic control at a distance that, for troops in Iraq, could mean protection from car bombs.

The system also includes a road gate and a cautionary sign in the local language. Insurgents who ignore this warning have their tires...

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