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January 28, 2011  |   Comments (8)   |   Post a comment

Device designed to eliminate bus rear wheel danger zone gap


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The Minimize Danger Zone Shield is a one-piece BASF polyurethane guard that mounts to the side panel of a school bus and acts as a safeguard in front of the dual rear wheels.

The Minimize Danger Zone Shield is a one-piece BASF polyurethane guard that mounts to the side panel of a school bus and acts as a safeguard in front of the dual rear wheels.

LOS ANGELES — Public Transportation Safety International Corp. (PTS) is introducing a new solution that it says is designed to eliminate the danger zone gap that surrounds the dual rear wheels of a school bus.

The Minimize Danger Zone Shield (MDZ SHIELD) is a one-piece BASF polyurethane guard that acts as a safeguard in front of the dual rear wheels, and is easily and quickly mounted to the side panel of the bus. This lessens both material and labor costs, while making it easily visible for inspection, company officials said.

“The majority of school buses have a rocker panel sitting approximately two feet from the ground, so the S-1 GARD used for transit buses would be cost-prohibitive due to the heavy mounting brackets, yet the risk of exposure on a school bus is worse because of its height. I was consumed with guilt for not figuring this out earlier,” said Mark Barron, founder of PTS and inventor of the device. “This [the MDZ SHIELD] is finally a solution where lives can be saved at minimal cost.”

PTS was founded in 1993 and has since been selling the S-1 GARD Dangerzone Deflector, a physical barrier covering a vehicle’s right rear tires, to the mass transit industry. Since mid-2010, PTS and manufacturer Pacific Metal Fab have been working to schedule a meeting with a school bus OEM, with an overall goal of making the MDZ SHIELD an industry-mandated safety product.

Bus builders are able to manufacture the body modification, an avenue that will be more effective than selling the product directly to school districts, which in the past has proven too costly due to budget restraints, the company said.

For new bus orders or more information on the MDZ SHIELD, contact Krista Barry, operations director, at (213) 489-1443 or [email protected].


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Well here in Washington D.C. I have seen the WMATA transit buses with the other type of device for a long time and we have curbs, snow, ice and potholes. If designed right the school bus one could hold up unless the roads are more suitable for 4 wheelin.

David    |    Feb 10, 2011 04:38 PM

Nice idea but I agree with the others here. We have a fairly steep entrance to one of our high schools, we have enough problems getting bumpers, and tailpipes in there.

Al    |    Feb 09, 2011 08:56 AM

I find it hard to believe there is a school distric in the country that could use this without clearance issues. Bad roads, curbs, snow and ice to name a few. Might have looked good to some engineer on paper, but has no real world use.

Dean    |    Feb 09, 2011 04:32 AM

Oh and also what will keep the heavy powerful school bus from just ramping up over the fallen child or anything else which may end up near the rear wheels. Perhaps PARENTS need to be at the bus stop morning AND afternoon.

Jackie    |    Feb 08, 2011 06:55 PM

I totally agree with everyone else. This looks like a real joke. I can only imagine trying to drive with this in our county full of gravel roads , hills , pot holes. Hmmmm do you think the inventor ever has driven a school bus ..... I also agree it looks like a kidcatcher.God forbid anything living ever got caught in that contraption.

Jackie    |    Feb 08, 2011 06:41 PM

I can foresee this contraption catching every curb in town as well as the pillars and curbs in the bus loop at every school on the route. Let's see, in a county with approximately 730 buses on the road everyday, I would need to keep plenty of replacement "MDZ Shields" in stock at the shop. Driver awareness and proper training are the ONLY ways to eliminate danger zones around our school buses and our pupils.

Bruce    |    Feb 04, 2011 04:47 PM

I wonder if his device would work on a rural route or on snow covered roads. The reduction of clearance which is design to protect children appears to me would be problem during the winter months up here in North Dakota.

Barry    |    Feb 01, 2011 06:44 PM

Looks like something off of an old steam engine. They should call this a kidcatcher!

Jack    |    Feb 01, 2011 03:04 PM

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