Tag Archives: VTI

Properly Placed Vegetation in Cities Improves Air Quality

Vegetatation in city environment.
A city’s vegetation can affect its air quality both positively and negatively. The positive effect is that the total amount of air pollution decreases because the air is being filtered. On the other hand, vegetation in crowded street canyons can degrade the air locally if deployed in such a way...

Read more
Posted in Environment and Climate, Infrastructure | Tagged , , , | Comments Off on Properly Placed Vegetation in Cities Improves Air Quality

A Future Without Traffic Signals?

Traffic lights at intersection
Neither traffic signs nor traffic signals may be necessary if all vehicles are self-driving. But many questions remain as to what will be required in the future, which is why the Swedish National Road and Transport Research Institute (VTI), Linköping University (LiU), and the Royal Institute of...

Read more
Posted in Infrastructure, Vehicles | Tagged , , , , | Comments Off on A Future Without Traffic Signals?

Ecodriver: a Major EU Fuel-efficient Driving Project Completed

VTI researcher Johan Olstam
For four years, researchers at the Swedish National Road and Transport Institute (VTI) have been working on Ecodriver, a wide-ranging project under the auspices of the EU’s Seventh Framework Programme involving twelve partners in eight countries who have jointly assessed innovative systems for...

Read more
Posted in Environment and Climate, Human Behaviour and Attitudes | Tagged , , , , , , , | Comments Off on Ecodriver: a Major EU Fuel-efficient Driving Project Completed

Money and Shame Lead Drunk Drivers to Refuse Alcohol Interlock System

Person holding car key standing next to car.
Losing one’s driving licence is an annoyance, and convicted drunk drivers report that it negatively affects their health, work life, and family life. Even so, two-thirds refuse the option of applying for a licence that is conditional on using an alcohol interlock during the probationary period....

Read more
Posted in Human Behaviour and Attitudes | Tagged , , , | Comments Off on Money and Shame Lead Drunk Drivers to Refuse Alcohol Interlock System

Smart Paving Choice Reduces Energy Consumption

Close-up of road structure.
All approaches to reducing carbon dioxide emissions are welcome, and one of them might be to reduce the rolling resistance of the pavement. Different pavements offer different levels of resistance, which means that they can affect vehicle fuel consumption. One approach is to reduce the...

Read more
Posted in Infrastructure, Maintenance | Tagged , , , , , | Comments Off on Smart Paving Choice Reduces Energy Consumption