Uncontrolled intersection

In general, there are two types of intersections including signalized and unsignalized intersections[1]. An uncontrolled intersection is a road intersection where no traffic lights, road markings or signs are used to indicate the right-of-way. They are found in either residential neighborhoods or in rural areas. While the intersection itself is unmarked, warning signs or lights may be present to alert drivers to it.

Uncontrolled T-intersection

At an uncontrolled T-intersection (3-way intersection), right-of-way rules differ from country to country. In Australia, the United Kingdom, New Zealand[2] and most of the United States, traffic on the terminating road must give way (yield) to traffic on the continuing road. In Germany,[3] traffic generally has to give way to traffic on the right at an uncontrolled intersection, whether it is a 3-way intersection or not.

Uncontrolled 4-way intersection
An uncontrolled intersection in suburban Melbourne, Australia

At uncontrolled 4-way intersections the common rules are

  • give way to traffic approaching from the passenger's side (i.e. from the right in countries that drive on the right-hand side, rule known as priority to the right, and vice versa)
    • however, this may be the opposite depending on the local laws
  • turning traffic with crossing paths usually gives way to traffic driving straight through in the opposite direction
  • drivers opposite one another and both turning in their same direction, e.g. both drivers turning to their right (in countries that drive on the right-hand side), do not need to give way to one another as their paths will not cross.

Common practice dictates that drivers will treat the intersection as if they have a give way (yield) sign and look both directions for cross-traffic to avoid any accidents with motorists who did not recognize or did not follow the uncontrolled intersection rule.

gollark: The excuse for this sort of thing seems to be basically always "think of the children" and "terrorism".
gollark: > Clearview AI is a new research tool used by law enforcement agencies to identify perpetrators and victims of crimes.> Computer vision for a safer world> Clearview AI's technology has helped law enforcement track down hundreds of at-large criminals, including pedophiles, terrorists and sex traffickers. It is also used to help exonerate the innocent and identify the victims of crimes including child sex abuse and financial fraud.
gollark: This "clearview AI" thing they link seems worrying.
gollark: If it just makes small pixel-scale tweaks which aren't human-perceptible then it could probably be defeated by future face recognition stuff.
gollark: It's an interesting idea but I'm not exactly hugely convinced.

References
  1. Ali Sahraei, Mohammad; Akbari, Elnaz (2020-03-19). "Review and evaluation of methods for estimating delay at priority junctions". Australian Journal of Civil Engineering: 1–14. doi:10.1080/14488353.2020.1743591. ISSN 1448-8353.
  2. "New Zealand give way rules". 2014-07-27. Retrieved 19 March 2018.
  3. http://www.gesetze-im-internet.de/stvo/__8.html - in German - Federal Ministry of Justice (Germany) - de:Straßenverkehrs-Ordnung (Deutschland): Vorfahrt - (German) Road Traffic Order: Right-of-way - Section 8 - Retrieved on September 20, 2012
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