Jonas Wennström


Picture of Jonas Wennström

Research results from Jonas


Possibilities to reduce pavement rehabilitation cost of a collision-free road investment...

In the past decades, many single carriageway roads in Sweden have been converted to collision-free roads as a cost-effective alternative to conventional motorways. Investigations have concluded that the road type has been successful in reducing the...

Overall road asset performance

The HeRoad project has investigated the road asset management situation and what practises exist to collect performance measurements in Europe. This has been done in a view from the operational level using a holistic perspective, in the sense that...

Follow-up study from a seven year performance contract ending in 2010

The Swedish Transport Administration aims at improving procurement of road construction and maintenance to create incentives for contractors to develop their skills and efficiency. Introduction of performance requirements is believed to encourage...

Microsimulation of work zone delays and applications in pavement management

Operation and maintenance activities on roads will to a varying extent affect the traffic flow.Reduced speed limits past the work zones will cause some delays but the main impacts will occur when the road´s capacity is reduced in case of lane...

Uppföljning av väg N610: totalentreprenad med funktionellt helhetsåtagande under sju år

This report concludes and analyses a Design-Build procurement on road N610, north of the city of Halmstad in Sweden, after a seven year contract period with performance requirements. This object has been followed up by others from the stage of...