Study of effectiveness of flashing beacons
Publisher: uo Oregon State Highway Department, 1954Description: 16 sSubject(s): Flashing light | Speed | Vehicle | Traffic signal | Amber light | Intersection | Accident | Before and after study | 21Bibl.nr: VTI 76.0332Location:| Current location | Call number | Status | Date due | Barcode |
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Statens väg- och transportforskningsinstitut
VTI:s bibliotek i Linköping |
Available |