Coolant best for engine heating

A limited pilot study conducted at VTI shows that engine heating is more fuel efficient via coolant than via lubricant.

LATEST RESEARCH


En transportmodell med fokus på cykeltrafik: modellutveckling och scenarioanalyser

Encouraging the use of active travel modes such as walking and cycling is vital for ensuring a sustainable urban development. In many European metropolitan areas, cycling is becoming increasingly popular within the recent decades. On the other hand,...

Sopsaltning av cykelvägar i teori och praktik: erfarenheter från utvärderingar i svenska...

To encourage people to cycle during winter and at the same time reduce the number of single bicycle crashes, a high winter maintenance service level is needed. Traditionally in Sweden, ploughing and gritting is used for winter maintenance of...

Variabla hastighetsgränser för Stockholms motorvägsnät: effekter av alternativa...

Variable speed limits are commonly used on Stockholm’s urban motorways, and it is part of the Stockholm Motorway Control System (MCS). The goal of today’s system is to reduce the risk of accidents during congested conditions, traffic jams etc. This...

MEET US


9-12
Jun

Global Public Transport Summit

On 9-12 June 2019, the international public transport community, mobility decision makers and industry suppliers will come together in Stockholm for the UITP Global Public Transport Summit. VTI will be represented in the conference exhibition.
16-18
Oct

European Road Profile User's Group, ERPUG

Welcome to the sixth ERPUG meeting in Vilnius, Lithuania. 
4-5
Dec

Vision Zero for Sustainable Road Safety in the Baltic Sea Region

The second Vision Zero for Sustainable Road Safety in the Baltic Sea Region conference will be held in Tallinn, Estonia. VTI is part of the programme committee. 

LATEST NEWS


2019-04-01

How vehicles can avoid accidents on newly paved roads

Friction is an important property for road safety. VTI has investigated how roads change in the first few weeks after surfacing work has been completed. Researchers recommend posting warning signs when the road is opened and waiting at least three weeks to...


2019-03-22

VTI contributes to study on older drivers and accidents

On behalf of and in collaboration with the Swedish Transport Agency, VTI has carried out a study of older drivers and the link between illness and traffic accidents. The Transport Agency has now published the results.


2019-03-07

VTI in research programme Triple F (Fossil Free Freight)

VTI is part of the consortium that has been commissioned by the Swedish Transport Administration to conduct a research programme with focus on fossil-free freight transports. The programme, called Triple F, will run for 12 years. Part of the programme is...


2019-02-21

Several actors collaborating on HCT vehicles

The increasing amount of freight, congestion on the roads and environmental emissions are problems that high capacity vehicles, HCT vehicles, can contribute to solving.


2019-02-14

VTI’s simulators are being used for emergency vehicles

Better accessibility and shorter response times for emergency vehicles – this is something that standardised, directed, traffic messages, transmitted over the 5G network can contribute. Within the EU project Nordic Way 2, a functioning prototype of such a...


2019-02-12

Modal shift - a way to achieve the environmental objectives

Shifting freight transports from road to rail and water can contribute to achieving the Swedish environmental and climate objectives by 2030. How this could be done is something that VTI researchers and researchers from Gothenburg University are investigating...