In 46 years of bike riding, Sue Abbott has never worn a helmet. So when the highway patrol pulled her over in country Scone and fined her for a no-helmet offence, she decided to fight.

The 50-year old mother of four has never been in trouble with the law, has never fallen from her bike, and thought it ridiculous she could not ride at 15km/h on a dedicated cycleway with an uncovered head.

A police video of the incident last year records the sergeant surmising ''it's a hair thing'', a view shared by many people when they first meet her.

If you're thinking about traveling to Buenos Aires, consider taking your bike with you. The promise of 100 kilometers of new bike paths is becoming a reality with new safe, separated-from-traffic lanes popping up in different parts of the city. Take a look at the map inside.