(1) http://ec.europa.eu/transport/road_safety/pdf/projects/rosebud.pdf ROSEBUD-håndbogen om evaluerede trafiksikkerhedsforanstaltninger findes på: http://partnet.vtt.fi/rosebud/products/deliverable/Handbook_July2006.pdf
(1) http://ec.europa.eu/transport/road_safety/pdf/projects/rosebud.pdf For the ROSEBUD Handbook on Evaluated Road Safety Measures: http://partnet.vtt.fi/rosebud/products/deliverable/Handbook_July2006.pdf