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Recently completed research in the Smart Work Zone Development Initiative
Development of Guidelines for the Use of Multiple Arrow Panels in Short Term, Short Duration, and Mobile Work Zones

Issue sponsors: Iowa Concrete Paving Association, National Concrete Pavement Technology Center.

Go! magazine for March–April focuses on concrete.

• Hot enough to fry an egg
• On (not completely) solid ground: Rain-friendly concrete
• Hard core: The secret inner life of concrete
• A concrete road, step by step
• Green scene: Quiet down!

Technology News
March–April highlights

• Soggy spring gravel roads: Dealing with a bumper crop of frost boils 209 kb pdf
• LTAP 25th Anniversary: The Safety Circuit Rider Program 127 kb pdf
• Just for street and road workers: A checklist of shoulder maintenance issues 103 kb pdf

Professional staff opening with CP Tech Center: Research engineer needed to replace Jim Grove, who retired in March.

Job openings: Student programmers

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