Lars Gunnar LEDEN

CURRICULUM VITAE

Qualifications

• M.Sc. in Civil Eng. at the Lund institute of Technology,
• Ph.D. in Traffic Engineering at the University of Lund

Professional activities

• 1972 - 1973 City of Malmö, Traffic planner
• 1973 - 1978 Lund institute of Technology, Researcher and lecturer
• 1973 Member of Trafiktekniska föreningen (The Swedish Association for Traffic Engineers)
• 1973 - 1974 Traffic engineering studies in Paris
• 1974 - 1975 Guest researcher at Transport and Road Research Laboratory, Great Britain
• 1978 - 1983 The Swedish Road Safety Office, Borlänge, Head of Urban Planning Group.
• 1979 - 1983 Member of National committee on Swedish guidelines for Urban planning (Stadens trafiknät). Secretary of National committee on Swedish guidelines for traffic signals
• 1979 - 1980 Guest researcher at the Danish Council for Road Safety Research, Denmark.
• 1983 Technical Research Centre of Finland
• 1990 - 1997 Royal Institute of Technology, Stockholm, Research Leader and Lecturer
• 1991 - 1992 Guest researcher at Department of Civil Engineering, University of Toronto, Canada
• 1997 Coordinator for the subject based evaluation of the National Swedish National Traffic Safety Program (NTP)
• 1998 -2001 Partner in EU project PROMISING, GADGET and PROMPT
• 1997 - 2003 Adjunct Professor at Luleå Technical University
• 2004 - Guest Professor at Luleå Technical University

Main areas of interest

• Safe non-restrictive cycling,
• Safe traffic environment for children,
• Meta analysis,
• Expert Judgement Models,
• Methods of studying Road User Behaviour,
• Urban safety management,
• Guidelines for Urban planning and design.

Recent publications

• Leden, L., 1997. Planning for Bicycles and Pedestrians in Scandinavia. Brescia, University of Brescia. III international conference "Living and walking in cities. Going to school." June 3-4, 1996. P. 327- 338.
• Leden, L., 1997. Has The City of Gothenburg Found a Concept to Encourage Bicycling by Improving Safety for Bicyclists (Har Göteborgs kommun funnit ett koncept att uppmuntra cykling genom att göra cykelledernas korsningspunkter med biltrafiknätet säkrare). Barcelona, Velo City, Bicycle Plannning Conference, 15 - 19 Sept.
• Leden, L., 1997. Safer Junction Design Encouraged Bicycling in Gothenburg (Säkrare korsningsutformning uppmuntrade cykling i Göteborg. Lisbon, Traffic Safety on two Continents, 22 - 24 Sept. VTI konferens 9A, Part 8, 1997.
• Gårder, G., Leden, L. & Pulkkinen, U., 1998. Measuring the Safety Effect of Raised Bicycle Crossings Using a New Research Methodology. Washington, TRB, (77nd Annual Meeting Paper No 98-1360), Transport Research Record No. 1636
• Leden, L., Hämäläinen, O. & Manninen, E., 1998. The Effect of Resurfacing on Friction, Speeds and Safety on Main Roads. Accident Analysis & Prevention., Vol. 30, No. 1, pp. 75-85.
• Faugert, S., Dovelius, J., Johannesson, C., Kempinsky, P., Leden, L. och Salusjärvi, M., 1998. Hur FUD-baserat är NTP? - En utvärdering från nyttoperspektiv av KFBs forskningsprogram inom trafiksäkerhet. Stockholm, KFB-information 1998:3.
• Gårder, P. & Leden, L., 1998. Key areas of traffic safety work according to European experts. Linköping, VTI Information, Nordic Road & Transport Research, No 2 98
• Leden, L. & Wramborg, P., 1999. A New Approach to Urban Planning and street design with special Focus on Bicycling. EU-project PROMISING. Borlänge. Vägverket, Enator, Högskolan i Dalarna. Visualisering av gatumiljöer. Nollvisionen - ett nytt förhållningssätt till trafikmiljöer i tätort.
• Leden, L., 1999. Towards Safe Non-restrictive Cycling. Traffic safety on two continents. 10th International Conference sept 20 - 22, 1999 in Malmö, Sweden. Swedish National Road and Transport Research Institute, US Transportation Research Board, Bundesanstalt für Strassenwesen. VTI konferens 13 A part 5, Vulnerable Road Users, 1999.
• Sagberg. F., Hakkert, S., Larsen, L. , Leden, L., Schmotzer, C. & Wouters, P., 1999. Visual modification ot the road environment. Deliverable D2 from the EU project GADGET. Oslo: Institute of Transport Economics.TÖI Working report 1137/1999.
• Leden. L., Gårder, P. & Pulkkinnen, U., 2000, An Expert Judgment Model Applied to Estimating the Safety Effect of a Bicycle Facility. Accident Analysis and Prevention, Volume 32 issue 4, pages 589-599.
• Johansson, C. Leden, L., Nilsson, K., Wilhelmsson, O. & Gårder, G., 2000 Towards a safe traffic environment for children - a starting point, Lund, ICTCT, Kaiserslautern, 1999.
• Johansson, C. & Leden, L., 2000. The Effect of Reconstruction and Code Changes at Pedestrian Crossings to Traffic safety for Children, Grownups and Elderly. Results from a case study in Borås Ålborg, Trafikdage på Ålborgs universitet 2000. Konferencerapport. Bind 2. S. 775 - 787.
• Gårder, P. & Leden, L., 2000. Promoting safe walking and cycling. Nordic Road & Transport Research No 3. P. 12 - 15.
• Leden, L., 2002. Pedestrian risk decrease with pedestrian flow . A case study based on data from signalized intersections in Hamilton, Ontario. Accident Analysis and Prevention 34 (2002) 457-464.
• Johansson, C. Gårder, P. & Leden, L., 2003. Towards Vision Zero at Zebra Crossings - A Case Study in Malmö, Sweden on Traffic Safety and Mobility for Children and Elderly. Luleå University of Technology, Division of Traffic Engineering. TRB2003. Transportation Research Records-the Journal of the Transportation Research Board-No 1828, pp 67-74, National Research Council, Washington D.C., August 2003. (Also published as paper number 03-2511 in the 82nd Annual TRB Meeting Compendium of Papers CD-ROM, January 2003)
• Nilsson, K., Leden, L., 2003. Image processing for analysis of the effectiveness of a reconstuction. Linköping, Nordic Road & Transport Research No 2, 2003.
• Johansson, C., Gårder, P. and Leden, L., 2004. The Effect of Change of Code on Safety and Mobility for Children and Elderly as Pedestrians at Marked Crosswalks - A Case Study Comparing Sweden to Finland. Paper number 04-2659 in the 83rd Annual TRB Meeting Compendium of Papers CD-ROM, January 2004.
• Johansson, C., Gårder, P. and Leden, L., 2004. A safe environment for children and elderly as pedestrians and cyclists- A synthesis based on an analysis of in-depth studies of fatalities, police-reported crashes and including video recordings of behaviour. Nottingham, ICPTT-conference 5-9 Sept in Nottingham.
• Leden, L. and Räsänen, J., 2004. New means to PROmote Pedestrian Traffic in cities (PROMPT). WP2: Safety and accessibility, Finland. Espoo, VTT.
• Leden, L., 2004. New means to PROmote Pedestrian Traffic in cities (PROMPT). WP2: Safety synthesis report, Finland. Espoo, VTT.
• Nilsson, K., Räsänen, M. och Leden, L., 2004. För- och nackdelar med bildbehandling för analys av effekten av en trafiksäkerhetsåtgärd. Ålborg, Trafikdage på Aalborg universitet 23-24 august 2004. http://www.trafikdage.dk/td/paper2.asp
• Leden, L. och Johansson, C, 2004. Risken att skadas ökade på markerade övergångsställen efter den nya trafikregeln om väjningsplikt mot gående vid övergångsställe i Sverige infördes - Förslag till åtgärder. Ålborg, Trafikdage på Aalborg universitet 23-24 august 2004. http://www.trafikdage.dk/td/paper2.asp
• Johansson, C. & Leden, L., 2005. Short-term effects of countermeasures for improved safety and mobility at marked pedestrian crosswalks in Borås, Sweden. Accident Analysis and Prevention. Accepted 2004.

Last updated: 2005-06-20