Evaluation of 2+1-roads with cable barriers: final report

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Arne Carlsson

The Swedish Road Administration started in 1998 a development program denoted alternative 13 metre roads, since 2002 denoted "collision-free roads". The program objectives were to increase the traffic safety on existing 13 m-roads and semimotorways (two-lane expressways) in a cost-effective manner with significantly lower investment costs and smaller intrusion compared to traditional measures. These actual roads with a total length of about 3 700 km during the 1990s, of which 350 km were semimotorways, comprised about 25 % of the mileage on the main road network but only 14 % of the length. During the 1990s there were almost 100 yearly fatalities and 400 severe injuries on this network, which corresponded to almost 25 % and 20 % respectively of the total number on the national road network. To ensure that the objectives should be achieved a comprehensive evaluation and follow-up was started of all the measures undertaken in the scope of the development program. This evaluation should ensure that important impact factors for costs and effects were considered. This publication is the final report and a summarized documentation of the results and experiences from the extension of collision-free roads, from the beginning of 1998 to 2006-2007, when the evaluation gradually has been ceased.

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25-26
Apr

Cost Benefit Analysis (CBA) workshop in Stockholm

An open seminar and workshop in Stockholm will be held on 25-26 April 2018. The workshop deals with the use of CBA as a basis for decision-making in the public sector. The workshop is organized by, among others, Professor Jan-Eric Nilsson, VTI.
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The 6st Humanist Conference

The 6th HUMANIST Conference will take place 13-14 June 2018 in the Hague, The Netherlands. The scope of the conference covers a wide range of topics on Human Factors in Transport. Tania Willstrand and Alexander Eriksson will present their research results.

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