[madeofpalk]

There's some similar interesting artefacts in Sydney of very narrow red 'streaks' that look to be between 10 to 40 metres long.

http://labs.strava.com/heatmap/#17/-208.78860/-33.89894/gray...

Any idea what these are? I've only seen them in the bike layer

Edit: I found more in a university http://labs.strava.com/heatmap/#17/-208.81832/-33.88863/gray...