Highway 420 

Highway 420, also known as Niagara Veterens Memorial Highway, is a stretch of highway that stems from the Queen Elizabeth Way (QEW) that takes you to downtown Niagara Falls, Ontario. It's also the main route to cross the Canada-US border via the Rainbow Bridge.

GPS: In 500 meters, keep left and exit off to highway 420

Me: Woo we're almost at Niagara Falls!!

Highway 420 by Mary Mary Quite The Contrarian April 1, 2019

Highway 420 

Another form of stating the action of smoking marijuana. Derived in the back alleys of McAllen, Texas, this phrase came to be because the creator just randomly came up with it.

Guys... Lets go down Highway 420 for some relaxation.

Highway 420 by Wolfie_48 November 21, 2011