The VTI National Transport Library Catalogue

An evaluation of portable traffic signals at work zones Ullman, Gerald L ; Levine, Steven Z

By: Ullman, Gerald LContributor(s): Levine, Steven ZPublication details: Transportation Research Record, 1987Description: nr 1148, s. 30-3Subject(s): Traffic control | Construction site | Traffic flow | Delay | Personnel | Cost | Accident | USA | 22Bibl.nr: VTI P8167:1148Location:
Item type: Reports, conferences, monographs
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Statens väg- och transportforskningsinstitut

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