這是一種可以偽裝成道路上跳動路面或人孔蓋等裝置的隱藏式攔車裝置，避免警察等執法人員為攔車開槍造成人員傷亡。
追車之執法人員使用遙控方式啟動此一裝置，啟動之後彈出許多倒鉤物，倒鉤物可以纏住汽車傳動軸，強迫車輛停住。
此種裝置雖無法整條道路鋪設，但可選在重點路段設置，由警方以無線電呼叫前方支援單位啟動，即可將車攔下，以減少使用阻絕器材或開槍所造成之人員傷亡。
Source: http://www.popsci.com/cars/article/2009-03/drag-net
Putting an End to the Chase
With funding from the Department of Homeland Security, engineers at the Engineering Science Analysis Corporation in Arizona are almost ready to end dangerous car chases in just this way. Their prototype manhole-size trap, called SQUID (for Safe Quick Undercarriage Immobilization Device), can bring a pickup from 35 mph to a standstill. With the trap engaged, the driver can't accelerate, limiting the risk of injuring perps or bystanders as the car comes to a stop.
The device is constructed from mostly off-the-shelf materials. The straps, which are made from a fabric that secures crates on trailer trucks, are unfurled by the mechanism that inflates car airbags. By next year, the team plans to make SQUID strong enough to stop a 120mph, 5,000-pound truck. The device is now an obvious white disk, but because it spans a traffic lane, it's hard to avoid. The final version will blend into the street, explains the company's president, Martin Martinez, "but we don't want to tell bad guys what it's going to look like."
Disguised as perhaps a speed bump or manhole cover, SQUID could give officers a safe alternative to tire-spike strips and concrete barriers, which take too long to set up and often cause cars to crash into innocent people. Last year, Luis Aguilar, an Arizona-Mexico border-patrol agent, was laying down spikes to burst the tires of a Hummer suspected of smuggling drugs. Before Aguilar could finish, the driver of the Hummer rammed into and killed him. "We want to make sure that doesn't happen again," Martinez says. With that in mind, his team will have a smaller, one-armed version of the device ready by this summer.
追車之執法人員使用遙控方式啟動此一裝置，啟動之後彈出許多倒鉤物，倒鉤物可以纏住汽車傳動軸，強迫車輛停住。
此種裝置雖無法整條道路鋪設，但可選在重點路段設置，由警方以無線電呼叫前方支援單位啟動，即可將車攔下，以減少使用阻絕器材或開槍所造成之人員傷亡。
Source: http://www.popsci.com/cars/article/2009-03/drag-net
Putting an End to the Chase
With funding from the Department of Homeland Security, engineers at the Engineering Science Analysis Corporation in Arizona are almost ready to end dangerous car chases in just this way. Their prototype manhole-size trap, called SQUID (for Safe Quick Undercarriage Immobilization Device), can bring a pickup from 35 mph to a standstill. With the trap engaged, the driver can't accelerate, limiting the risk of injuring perps or bystanders as the car comes to a stop.
The device is constructed from mostly off-the-shelf materials. The straps, which are made from a fabric that secures crates on trailer trucks, are unfurled by the mechanism that inflates car airbags. By next year, the team plans to make SQUID strong enough to stop a 120mph, 5,000-pound truck. The device is now an obvious white disk, but because it spans a traffic lane, it's hard to avoid. The final version will blend into the street, explains the company's president, Martin Martinez, "but we don't want to tell bad guys what it's going to look like."
Disguised as perhaps a speed bump or manhole cover, SQUID could give officers a safe alternative to tire-spike strips and concrete barriers, which take too long to set up and often cause cars to crash into innocent people. Last year, Luis Aguilar, an Arizona-Mexico border-patrol agent, was laying down spikes to burst the tires of a Hummer suspected of smuggling drugs. Before Aguilar could finish, the driver of the Hummer rammed into and killed him. "We want to make sure that doesn't happen again," Martinez says. With that in mind, his team will have a smaller, one-armed version of the device ready by this summer.
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