Katja Kircher

@katjakircher.bsky.social

3301 Followers 206 Following

Research Leader at VTI, Sweden. Sustainable transport, active travel. Cycling long and short distances. eng/swe/ger

A so-called 2+1-road in Sweden (E22) with a speed limit of 100 km/h. A gate is discernible on the far side. The wire barrier in the middle does not have any opening. Still, this is where an official hiking trail (Östgötaleden) crosses the road.
A gate blocking the way for people coming from a gravel road who want to cross or access a bigger road. The gate can be opened manually via a hook mechanism.
A wide, snowy, empty landscape in the Swedish fjäll, with winter trail markers and tracks of snowmobiles.
A scatterplot showing overtaking vehicle speed against lateral clearance to the cyclist during the overtake, with clearances ranging from ca. 140-300 cm and vehicle speeds ranging from 35-90 km/h, with a slight trend of larger clearances at higher speeds.
Stroad with two lanes per direction for cars passing underneath a bridge. On the sides the pedestrian pavements cease and the cycle path is diminished in width such that one bike at a time can pass, visibility is bad. A sign on the road side says : "Use bicycle bell".
Rubrik från tidningen "Carup" som säger "Cyklist-beteendet som gör bilister vansinniga". En del av en bild på två landsvägscyklister syns.
A rural road with a smooth gradient next to a cycle path with much steeper gradients and more altitude covered over the same distance.
A thank-you message from booking.com: "... Thank you for staying with us and have a safe journey!" This is followed by two emojis - a car and an airplane.
Street scene from Lucca, Italy, where cars dominate the view of the old town, with parking spaces painted on the sidewalk.
Cyclist on a cycle path on the left side on a country road in the dark, with a motor vehicle with glaring headlights approaching from the opposite direction.
A walking and cycling path covered with ice (and water on top). The parallel road is ice-free.
Snowy and icy cycle/walking path alongside a ploughed street.
Bicycle tyre with a stone from road grit stuck in it.
A bicycle of brand Univega from 1998.
Bicycle handlebars from above in darkness with bicycle lamp illuminating gravel path in front.
Snow ploughed from the road onto the cycle path.
Cyclist on road bike on a winding rural road.
The book "Traffication" by Paul F. Donald.