Such law was taught by your driving school along with other laws of the road. (wannadrive.com)
This is argued in detail in the following peer reviewed scientific study The Fundamental Law of Road Congestion: Evidence from US cities published in the American Economic Review, American Economic Association, vol. (politics.stackexchange.com)
Of note, I think, is the quirky and light - hearted Law of the Road, by Rogers (1876) and the full (over 800 pages) Law of Mortgages (1919) by Falconbridge. (slaw.ca)