10th - OMG HCMC. What can one say about the traffic in Ho Chi Minh City. With 7.4million motor bikes and scooters, and 20,000 taxis (I checked both) the traffic is chaotic. 2 lane roads accommodate 8 lanes of traffic. Right turns from the left lane or left turns from the right lane is OK. U turns from anywhere is fine. In Australia we have a 1.5m clearance from a bike, here it is mandatory for a minimum of 10mm clearance. Not everyone obeys. 4 or 5 bikes across a lane with a truck or bus is approved. If you have to go up a one-way street against the traffic no worries. Everyone allows for whatever the other rider or driver is doing. Signal and then just do it. Bikes can accommodate the number of people who can sit on the seat. 3 year old in front of dad the rider, behind dad a 1 year old in front of mum the pillion passenger. All good. Do you want to transport 10 cartons of beer - no worries on a bike.
Everywhere bikes are parked on the footpath in an amazingly orderly fashion. Nose in slightly angled. Most businesses, eateries, offices have a "valet" service with someone on the footpath parking your bike properly for a small fee. Not sure how much but can only be a few Dong. Also the footpath is an alternate thoroughfare with bikes using it to get where they want to go. Red lights are seemingly optional for bikes which will proceed if there is a break in the cross traffic. Pedestrian crossings are also optional and only for the brave or stupid - never expect any one to stop. They will drive to your left or right. Just watch the front wheel for a clue to which way they are going to go around you.
In spite of the chaos it is organised chaos. Everyone is accommodated without any angst. No road rage just a quick toot or two on the horn letting another car or bike know where you are and what you are doing.  Hesitation is not the go. If you indicate a turn you go. If you indicate and then hesitate other drivers get confused and don't like. Did not see one accident or bingle. Individuals walk across multi lane roads without a care. Amazing system without laws but a structure that works.