Given the question: Information: - The Illinois Country sometimes referred to as Upper Louisiana was a vast region of New France in what is now the Midwestern United States. While these names generally referred to the entire Upper Mississippi River watershed, French colonial settlement was concentrated along the Mississippi and Illinois Rivers in what is now the U.S. states of Illinois and Missouri, with outposts in Indiana. Explored in 1673 from Green Bay to the Arkansas River by the "Canadien" expedition of Louis Joliet and Jacques Marquette, the area was claimed by France. It was settled primarily from the "Pays d'en Haut" in the context of the fur trade. Overtime, the fur trade took some French to the far reaches of the Rocky Mountains, especially along the branches of the broad Missouri River valley. The French name, "Pays des Illinois", means "Land of the Illinois [plural]" and is a reference to the Illinois Confederation, a group of related Algonquian native peoples. - Illinois Route 99 is a north -- south state road in western Illinois . It runs from Illinois Route 104 across the Illinois River and Meredosia , north to Illinois Route 101 in Brooklyn ( Schuyler County ) . This is a distance of 32.08 miles ( 51.63 km ) . - The Illinois Department of Transportation (IDOT) is responsible for investing billions of dollars to build, support and maintain modern and efficient roadways, railways, airports and transit systems. This transportation network is an economic engine for the State of Illinois. It is IDOTs mission to provide safe, cost-effective transportation for Illinois in ways that enhance quality of life, promote economic prosperity, and demonstrate respect for the environment. - Illinois Route 101 is a eastwest state road that runs from to the intersection of Illinois Route 61 in Augusta east to U.S. Highway 67 one mile (1.6km) east of Littleton. The highway was officially established in 1924 along its current alignment. Route 101 is maintained by the Illinois Department of Transportation. - The Illinois River is a principal tributary of the Mississippi River, approximately long, in the U.S. state of Illinois. The river drains a large section of central Illinois, with a drainage basin of . The drainage basin extends into Wisconsin and Indiana. This river was important among Native Americans and early French traders as the principal water route connecting the Great Lakes with the Mississippi. The French colonial settlements along the river formed the heart of the area known as the Illinois Country. After the construction of the Illinois and Michigan Canal and the Hennepin Canal in the 19th century, the role of the river as link between Lake Michigan and the Mississippi was extended into the era of modern industrial shipping. It now forms the basis for the Illinois Waterway. What is the relationship between 'illinois route 99' and 'illinois department of transportation'?
The answer is:
maintained by