Another vehicle stuck under the Montague street bridge on Thursday. Credit:Jason South

The truck was squeezed out after about an hour when air was let out of its tyres.

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The bridge continues to be hit by trucks passing beneath the light rail, despite the installation in May last year of protective gantries.

Rubber flaps hang down from these gantries, which slap against over-height vehicles to warn drivers that their trucks are too high to pass.