I have wondered the same thing too. The two most common answers that I have been able to find are Interstate 80 and Interstate 95. If I would guess, I-95 is probably busier in terms of traffic density, however, since I-80 is much longer, I-80 may carry more traffic overall.
Yonge Street in Toronto Canada is the longest street in the world. It stretches 1,896 km (1,178 mi) from Toronto to Ontario-Minnesota border at Rainy River.
The Trans-Canada Highway is the longest highway in North America stretching 4860 miles through Canada.
By comparison Australia's "Highway 1" is over 20,000 km (12,427 mi) long. It runs around the continent's coastline and the longest international and multi-continent highway is the Pan-American Highway which is nearly 25,000 kilometres (15,534 mi) long
The busiest highway in North America is the 401 in Ontario, with peaks of 500,000 commuters per hour.
As of July 2014, the busiest highway in North America is the Ontario Highway 401. The second busiest highway is the Santa Monica Freeway.
It is Hwy. 11, from Lake Ontario to BC, I believe. Correct this if its wrong...
Busiest what? New York has the busiest stock exchange. Florida has the busiest funeral directors. California has the busiest movie industry.
Yes.
kentland is one of the busiest
The 401 Hwy in southern Ontario Canada and Interstate 5 that runs from Washington to Arizona
the busiest city would either be New York or Hollywood.
The Katy freeway in Houston, TX is the busiest in USA. Hwy 401 in Toronto ONtario is the busiest in North America.
New York is the busiest north east state.
08C in manhattan was the busiest ambulance in the US according to a firehouse magazine national run survey
Georgia
Interstate 89, Interstate 91, Interstate 93, US Route 7, US Route 2, US Route 4, US Route 302, US Route 5, VT Route 100, and VT Route 22A
The US Interstate Highway that runs through Helena, Montana is Interstate 15.
Atlanta