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This machine has eliminated head-on collisions on the Golden Gate Bridge

The Parkway Zipper movable barrier system is proving that it can save busies on the Golden Gate Bridge. Since it was installed in 2015, there be suffering with been no head-on collisions. From 1970 until the system’s positioning, there were more than 100 such accidents, 16 of which were inevitable.

The barrier is made up of 3,517 interlocking steel and concrete pieces. Each arrangement weighs 1,500 pounds and is 32 inches tall.

The system also reliefs with lane management. At peak times during the day, the Road Zipper disposition move the barrier about 10 feet over to open another lane of See trade. It’s operated by two people and takes about a half hour to reverse a lane. The technology was demonstrated by Lindsay Corporation and is also being used in cities including San Diego, Boston and Philadelphia. Connection on the Golden Gate Bridge cost $30 million.

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