State Road 19 (SR 19) is a route on the Indiana State Highway System that runs between Noblesville and Elkhart in the US state of Indiana. The 143 miles (230.14 km) of Indiana SR 19 serve as a minor highway. One segment of the highway is listed on the National Highway System. Various sections are urban four-lane highway and rural two-lane highway. The highway passes through farmland, residential and commercial properties. The northernmost community along the highway is Simonton Lake at the Michigan state line.
State Road 1 (SR 1) is a north–south state highway in eastern Indiana, consisting of two segments. Its southern segment begins at U.S. Highway 50 and Interstate 275 in east-central Dearborn County, just east of Lawrenceburg, and ends at Interstate 469 south of Fort Wayne. Its northern segment begins at Interstate 69 on Fort Wayne's north side, and ends at U.S. Route 20 in east-central Steuben County, approximately 6 miles (9.7 km) east of Angola.
State Road 3 (SR 3) in the U.S. state of Indiana is a discontinuous state highway running through eastern Indiana from near the Ohio River to near the Michigan state line. The southernmost terminus is at SR 62 in Charlestown, and the northernmost terminus is at SR 120 near Brighton.
State Road 101 in the U.S. state of Indiana is a north–south state highway in the eastern portion of Indiana that exists in four sections with a combined length of 79.42 miles (127.81 km).
State Road 53 (SR 53) is a part of the Indiana State Road that runs between Crown Point and Gary in the US state of Indiana. The 14.07 miles (22.64 km) of SR 53 that lie within Indiana is also known as Broadway. No part of the highway is listed on the National Highway System. Most of the road is an urban four-lane undivided highway, passing through residential and commercial properties.
State Road 236 in the U.S. State of Indiana exists in two sections. The western section starts at U.S. Route 41 (US 41) in Parke County, and runs eastward, paralleling its parent that lies to the south, U.S. Route 36 (US 36). In western Hendricks County it then turns to the southeast and ends at State Road 39 (SR 39), only two miles north of that road's intersection with US 36 in Danville.
U.S. Route 30 (US 30) is a road in the United States Numbered Highway System that runs from Astoria, Oregon, to Atlantic City, New Jersey. In Indiana, the route runs from the Illinois state line at Dyer to the Ohio state line east of Fort Wayne and New Haven. The 155.96 miles (250.99 km) of US 30 that lie within Indiana serve as a major conduit. The entire length of U.S. Route 30 in Indiana is included in the National Highway System (NHS). The highway includes four-lane, rural sections, an urbanized, four-lane divided expressway, and several high-traffic, six-lane freeway areas. First designated as a US Highway in 1926, US 30 replaced the original State Road 2 (SR 2) and SR 44 designation of the highway which dated back to the formation of the Indiana State Road system. A section of the highway originally served as part of the Lincoln Highway. Realignment and construction projects have expanded the highway to four lanes across the state, and the road is now part of a long stretch of US 30 from New Lenox, Illinois, to Canton, Ohio, where the road has at least four lanes. There are over 40 traffic signals between I-65 at Merrillville and I-69 at Fort Wayne.
State Road 16 is an east–west state road in the US state of Indiana. The western terminus is at an intersection with U.S. Highway 41, near Ade, and its eastern terminus is at SR 5, near Huntington. The state road runs through seven counties in northern Indiana mostly through rural farm fields and small towns.
State Road 25 is a highway in the U. S. state of Indiana. Although it is designated a north–south road, in practice it travels generally northeast from its southern terminus at State Road 32 to its northern terminus at State Road 15 in Warsaw.
State Road 550 exists in two portions. The western section is completely within Knox County and has a western terminus east of Emison at U.S. Route 41/U.S. Route 150 and runs southeasterly to the U.S. Route 50/US 150 concurrency in Wheatland. The eastern section terminates at both ends at US 150 in Martin County between Loogootee and Lacy.
State Route 34 (SR 34) is an Ohio State Route that runs between Indiana State Road 427, west of Edon and US 6 (US 6) in the US state of Ohio. The 32.02 miles (51.53 km) of SR 34 that lie within the state serve as a minor highway. None of the highway is listed on the National Highway System. Various sections are rural two-lane highway and urban four-lane highway. The highway passes through residential and commercial properties.
State Road 205 (SR 205) is a State Road in the north-eastern section of the state of Indiana. Running for roughly 32 miles (51 km) in a general northeast-southwest direction, it connects the cities and towns of South Whitley, Columbia City and Garrett via SR 327. SR 205 was originally introduced in the mid-1930s routed between South Whitley and Churubusco. The road was extended northeast to the intersection with SR 327 in the mid to late 1940s.
U.S. Route 50 (US 50) is a part of the United States Numbered Highway System that runs from West Sacramento, California, to Ocean City, Maryland. In the U.S. state of Indiana, it is part of the state road system. US 50 enters the state in Vincennes. The 171.38 miles (275.81 km) of US 50 that lie within Indiana serve as a major conduit. All of the highway is listed on the National Highway System. Various sections are rural two-lane highway, urbanized four-lane undivided highway and one-way streets. The easternmost community along the highway is Lawrenceburg at the Ohio state line. US 50 passes through urban areas, farmland and woodland.
State Road 55 (SR 55) is a north–south road in Northern and Central Indiana. State Road 55 runs from the Crawfordsville area in the south to Gary in the north, a distance of approximately 110 miles (180 km).
U.S. Route 27 (US 27) is a part of the United States Numbered Highway System that runs from Miami, Florida, to Fort Wayne in the U.S. state of Indiana. In Indiana, it is a state road that enters the state in College Corner, Ohio, and West College Corner. The 117.765 miles (189.524 km) of US 27 that lie within Indiana serve as a major conduit. Most of the highway is listed on the National Highway System. Various sections are a rural two-lane highway or an urbanized four-lane divided highway. The northernmost community along the highway is Fort Wayne in the northeast part of the state. The highway ends at an interchange with Interstate 69 (I-69) north of downtown Fort Wayne after serving the east central and northeast regions of Indiana.
State Road 106 (SR 106) is part of the Indiana State Road system that runs through Bremen in US state of Indiana. The 4.33 miles (6.97 km) of SR 106 that lie within the state serves as a business route for U.S. Route 6 (US 6). None of the highway is listed on the National Highway System. The road is all two-lanes and it passes through farmland, residential and commercial properties. SR 106 was first designated as a state road in the 1980s. The highway replaced US 6 designation of the highway which dated back to the 1930s.
State Road 110 is an east–west state road, that consists of two discontinuous sections, in the northern part of the US state of Indiana. The western portion of SR 110 is just under 2.5 miles (4.0 km) long and connects SR 10 with U.S. Route 231 in Jasper County. The eastern portion runs along the border between Fulton County and Marshall County; it is approximately 16.4 miles (26.4 km) long and connects SR 17 at the west end with SR 25 at the east end. Neither segment passes through any towns or cities and passes through mostly rural agriculture land.
State Route 249 (SR 249) is an Ohio State Route that runs between the Indiana state line and Ney in the U.S. state of Ohio. The 14.45 miles (23.26 km) of SR 249 that lie within the state serve as a minor highway. None of the highway is listed on the National Highway System. The whole route is a rural two-lane highway and passes through farmland. The highway was first signed in 1925 and was a north–south route, a route that later became U.S. Route 127 (US 127). SR 249 was given its current route in 1927, as a replacement for SR 22. The route was completely paved by 1942.
U.S. Route 136 (US 136) is a part of the United States Numbered Highway that runs from Edison, Nebraska, to Speedway, Indiana. In Indiana, it is part of the Indiana State Road system that enters between Danville, Illinois, and Foster, Indiana. The 75.30 miles (121.2 km) of US 136 that lie within Indiana serve as a major conduit. Some sections of the highway are listed on the National Highway System. Various sections are rural two-lane highway and urbanized four-lane divided highways. The easternmost community along the highway is Speedway, near Indianapolis.
U.S. Route 231 is the longest numbered highway in Indiana, covering over 284 miles (457 km). It is a main north–south highway in the western part of the state. The southern terminus of US 231 in Indiana is at the Kentucky state line and the northern terminus is at US 41 just south of St. John. The highway is a mixture of expressway and two-lane roadway. The expressway portions exist mainly in southern Indiana and around the Lafayette-West Lafayette area, with the rest mainly being two lanes.
US 231 / SR 2 in Hebron 
US 421 in LaCrosse 
US 35 in Knox 
SR 17 near Plymouth 
SR 9 in Albion 
SR 3 in Avilla 
I-69 in Auburn 
SR 18 near Hicksville, OH 
