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Knowledge base => Traffic control
  • Vaihtuvien nopeusrajoitusten laajamittainen käyttö Suomessa [Extended use of variable speed limits in Finland]. Anna Schirokoff and Pirkko Rämä. 2006. Publications of the Ministry of Transport and Communications 89/2005. Ministry of Transport and Communications, Helsinki, Finland. ISBN 952-201-476-1. ISSN 1795-4045. raportti abstract
  • Muuttuvien opasteiden vaikutukset kiinteiden liikennemerkkien havaitsemiseen [Effects of variable signs on recall of fixed signs]. Anna Schirokoff and Juha Luoma. 2005. Finnish National Road Administration, Finnra reports 14/2005 raportti abstract
  • Practise and deployment of variable message signs (VMS) in Viking countries - potential for harmonisation. Pirkko Rämä, Anna Schirokoff and Juha Luoma. 2004. Finnish National Road Administration, Finnra's internal publications 34/2004 report abstract
  • Effects of Weather-controlled Variable Speed Limits on Injury Accidents. Pirkko Rämä and Anna Schirokoff. 2004. ITS in Europe, Budapest, Hungary, CD-ROM conference paper
  • Muuttuvien nopeusrajoitusjärjestelmien turvallisuus [Safety effects of variable speed limit systems]. Pirkko Rämä, Anna Schirokoff, Riikka Rajamäki. 2003. Finnish National Road Administration, Finnra reports 54/2003 raportti abstract
  • Making Merging Easier with Variable Speed Limits. Satu Innamaa and Anna Schirokoff. 2004. 11th World Congress on ITS, Nagoya, Japan, CD-ROM conference paper
  • Liikennetilaohjatut muuttuvat nopeusrajoitukset pääteiden liittymässä [Traffic controlled variable speed limits on a main roads' intersection]. Anna Schirokoff and Satu Innamaa. 2004. Finnish National Road Administration, Finnra reports 29/2004 raportti abstract
  • Effects of variable weather-controlled variable message signing in Finland. Raine Hautala and Magnus Nygård. 2003. 10th World Congress on ITS, Madrid, Spain, CD-ROM conference paper
  • Muuttuvien nopeusrajoitusten kannattavuuden tarkastelu kaksikaistaisella tiellä. Esimerkkitapaus valtatie 7 (E18) Kotka-Pyhtää [The profitability of weather controlled speed limits on two-lane road. Case main road 7 (E18) between Kotka -Pyhtää]. Marko Nokkala and Anna Schirokoff. 2001. Finnish National Road Administration, Finnra reports 52/2001 raportti abstract
  • Effects of Weather-controlled variable message signing on driver behaviour. Pirkko Rämä. 2001. VTT Publications 447 report
  • Muuttuvat nopeusrajoitukset autoilijoiden kokemina. Haastattelututkimus valtatiellä 9 (E 63) välillä Tampere - Orivesi [Drivers’ opinions on weather-controlled variable speed limits. Road side interview on 2-lane Main Road 9 (E 63) between Tampere - Orivesi]. Anna Schirokoff and Harri Vitikka. 2001. Finnish National Road Administration, Finnra reports 50/2001 raportti abstract
  • Effects of the intelligent road lighting on traffic flow and the recognition of night-time pedestrian on a rural road. Anna Schirokoff, Juha Luoma, Juuso Kummala and Pentti Hautala. 2001. Proceedings of 8th World Congress on Intelligent Transport Systems, Sydney 2001
  • Effects of VMS technologies on driver behaviour. Merja Penttinen, Virpi Anttila and Juha Luoma. 2000. 7th World Congress on ITS, Turin, Italy, CD-ROM conference paper
  • Effects of the weather-controlled traffic management system on single-carriageway road section of E18. Pirkko Rämä Juha Raitio, Virpi Harjula and Anna Schirokoff. 2000. Finnish National Road Administration, Finnra reports 44/1999 abstract
  • Effects of variable message signs for slippery road conditions on reported driver behaviour. Juha Luoma, Pirkko Rämä, Merja Penttinen Virpi Anttila. 2000. Transportation Research Part F 3 (2000), pp. 75-84
  • Effects of variable message signs for slippery road conditions on driving speed and headways. 2000. Pirkko Rämä and Risto Kulmala. Transportation Research Part F3 (2000), pp. 85-94
  • Distraction due to variable speed limits. Pirkko Rämä, Juha Luoma and Virpi Harjula. 1999. Traffic Engineering + Control 41/1999
  • Bilingual variable message signs - driver acceptance and visual demand. Virpi Harjula. 1999. Finnish National Road Administration, Finnra reports 10/1999 abstract
  • Acceptance of variable message signs displaying bilingual messages by turns. Virpi Harjula, Juha Luoma and Pirkko Rämä. 1998. Proceedings of the 5th World Congress on Intelligent Transport Systems. Seoul, 12 - 16 Oct. 1998 conference paper
  • Effects of variable speed limit signs on speed behaviour and recall of signs. Juha Luoma and Pirkko Rämä. 1996. Traffic engineering and control, April 1998, pp. 234-237
  • Sääohjatun tien jatke: vaikutustutkimus [The extension of the weather controlled road: the effects on driver behaviour]. Pirkko Rämä and Merja Penttinen. 1998. Finnish National Road Administration, Kaakkois-Suomi region raportti abstract
  • Effects of Weather-Controlled Variable Speed Limits and Warning Signs on Driver Behavior. Pirkko Rämä. 1997. Transportation Research Record 1689, pp. 53-59
  • Kotka - Hamina sääohjatun tien yhteiskuntataloudellisuus [The socio-econimic profitability of the Kotka - Hamina weather controlled road]. Jukka Lähesmaa. 1997. Finnish National Road Administration, Finnra reports 36/1997 raportti abstract
  • Driver Acceptance of Weather-Controlled Road Signs and Displays. Pirkko Rämä and Juha Luoma. 1997. Transportation Research Record 1573, pp. 72-75
  • The influence of route guidance system on highway 4 between Järvenpää and Mäntsälä. Kari Alppivuori, Kirsi Pajunen and Matti Anila. 1995. Finnish National Road Administration, Finnra reports 86/1995 abstract
  • Muuttuvien kelivaroitusmerkkien vaikutukset liikennekäyttäytymiseen Turun tiepiirissä talvella 1993-1994 [Behavioural Effects of Slippery Road Variable Message Signs in Turku Road District in Winter 1993-1994]. Pirkko Rämä, Risto Kulmala and Matti Heinonen. 1995. Finnish National Road Administration, Finnra reports 36/1995 abstract