Information:  - Interstate 79 (abbreviated I-79) is an Interstate Highway in the eastern United States, designated from Interstate 77 in Charleston, West Virginia to Pennsylvania Route 5 and Pennsylvania Route 290 in Erie, Pennsylvania. It is a primary thoroughfare through western Pennsylvania and West Virginia, and makes up part of an important corridor to Buffalo, New York, and the border with Canada.  - Canada (French: ) is a country in the northern half of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering , making it the world's second-largest country by total area and the fourth-largest country by land area. Canada's border with the United States is the world's longest land border. The majority of the country has a cold or severely cold winter climate, but southerly areas are warm in summer. Canada is sparsely populated, the majority of its land territory being dominated by forest and tundra and the Rocky Mountains. About four-fifths of the country's population of 36 million people is urbanized and live near the southern border. Its capital is Ottawa, its largest city is Toronto; other major urban areas include Montreal, Vancouver, Calgary, Edmonton, Quebec City, Winnipeg and Hamilton.  - Pennsylvania Route 290 (designated by the Pennsylvania Department of Transportation as SR 290) is a state highway located in the environs of Erie, Pennsylvania. The western terminus of the route is at Interstate 79 and Pennsylvania Route 5 in the neighborhood of Dock Junction. The eastern terminus is at Interstate 90 and Pennsylvania Route 430 southeast of downtown in Harborcreek Township.  - Interstate 279 ( abbreviated I - 279 ) is a north -- south Interstate Highway spur that lies entirely within Allegheny County , Pennsylvania . Its southern end is at Interstate 376 at the Fort Pitt Bridge in Pittsburgh , and the north end is in Franklin Park at Interstate 79 . It primarily serves at the main access route between Pittsburgh and its northern suburbs .    After reading the paragraphs above, we are interested in knowing the entity with which 'interstate 279' exhibits the relationship of 'maintained by'. Find the answer from the choices below.  Choices: - pennsylvania department of transportation  - winnipeg
Answer:
pennsylvania department of transportation