Polystyrene blocks save money, time on Utah rail project

09/24/2009 | Engineering News-Record

The Utah Transit Authority is using a polystyrene block product to expand Salt Lake City's Transit Express light-rail system. Geofoam will be used as base embankment fill around a bridge and at seven other locations. The material will minimize soil settlement issues, save the authority $20 million and speed up the project's completion by eight months.

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