World’s steepest street
Baldwin Street, of New Zealand is reputed to be the world's steepest street. A short straight street of some 350 meters length, Baldwin Street runs east from the valley of the Lindsay Creek up the side of Signal Hill. At its maximum, for every 2.86 meters traveled horizontally, the elevation rises by 1 meter. The street's steepness was unintentional.
World’s most crooked road
Lombard Street of San Francisco is the most crooked road in the world .It is only part of the long Lombard Street and the crooked part can be found on Russian Hill between Hyde and Leavenworth streets. It only measures a quarter or a mile long between these points and the speed limit is only five mph and you can only drive one way in the downward direction. On either side of the street are San Francisco's most expensive houses mansions, town houses and condominiums which are very much sought after.
World’s largest roundabout
Not many people realize this when they are driving around Putrajaya, especially near the Prime Minister's office. The main reason people don't take note is because they tend to think it is just a hill. The circumferential length of this roundabout is approximately 3.4km, and the road that circumvents it is Persiaran Sultan Salahuddin Abdul Aziz Shah.
World’s widest street
The 9 de Julio street in downtown Buenos Aires is not just any street. Nine lanes wide, , this is the widest street in the world. Those with a quick pace and long legs will be lucky if they get to the other side with the changing of two traffic lights that are placed at every intersection. A pedestrian crossing usually requires a few extra minutes and a few green lights. However, the inevitable stop in the center provides a great perspective of the magnitude of the street as well as the city.
World’s most confusing roundabout
The Magic Roundabout in Swindon, England, was constructed in 1972 and consists of five mini-roundabouts arranged in a circle. Its name comes from a popular children's television series The Magic Roundabout. It has been voted the fourth scariest junction in Britain.