Final superspan gantry installed on smart motorway | Smart Highways Magazine: Industry News

Final superspan gantry installed on smart motorway

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The last of nine superspan gantries required to help operate a smart motorway along sections of the M60 and M62 in Greater Manchester was erected at the weekend.

Each of the nine gantries is designed to span both carriageways of the motorway. They are each up to 59 metres wide, weigh up to 78 tonnes and some have required a special 500 tonne crane to help install them as well as full overnight motorway closures in both directions. A 200 tonne crane was used to carry out the installation.

The smart motorway scheme, between junction 8 of the M60 near Sale and junction 20 of the M62, will see the latest technology being used to monitor traffic levels and keep vehicles moving by using variable speed limits.

When the smart motorway scheme is completed, around 200 new electronic message signs on overhead gantries will warn drivers of changes in the mandatory speed limit, lane closures and incidents ahead.


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