State Route 100 in Indiana
State Route 100 is a former state route and freeway in the U.S. state of Indiana, located to the east of the city of Indianapolis. The highway is 3 kilometers long.
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State Route 100 branches off from Interstate 465 just north of I-74, where I-465 has a short parallel structure with a braid. The highway, then known as Shadeland Avenue, is 2×2 lanes and has 3 grade separations in eastern Indianapolis, including a cloverleaf cloverleaf with Washington Street (US 40). After this, the road is a 7-lane urban arterial, including a center turn lane.
State Route 100 was created in 1953 as a north-south route through the Indianapolis region. It was originally a bypass of the Indianapolis region, primarily through Marion County. At the time, the region was not as far suburbanized as it is today. It is unclear whether State Route 100 over Shadeland Avenue was already a freeway at the time. The piece of freeway was probably built in the 1960s or 1970s.
State Route 100 was scrapped in 1999, when all State Routes and US Highways within I-465 were scrapped and rerouted over the beltway. Around that time, the interchange with I-465 was also modified, this was originally a junction where the lanes of State Route 100 were far apart. This was also adapted around 1999 to the current interchange with a braid and rerouted western carriageway of the SR-100.
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State Route 25 in Indiana
State Route 25 is a state route in the U.S. state of Indiana. The road forms a north-south route, from Waynetown via Lafayette and Logansport to Warsaw in the west and center of the state. The route is partly a 2×2 divided highway and is 199 kilometers long in total.
State Route 25 at Logansport.
State Route 25 begins in Waynetown on US 136 and heads north to Lafayette. This section is a secondary route that is single carriageway with only a few villages on the route. You then have to pass through the town of Lafayette, after which the road from Lafayette to Logansport is a 2×2 divided highway. Part freeway -style, this segment is of through importance and is part of the network of major highways connecting larger cities in Indiana. North of Logansport, State Route 25 is again somewhat secondary and single-lane until its terminus in Warsaw, on US 30.
The current State Route 25 was introduced in 1926 on the route from Logansport to Rochester. In 1930 it was extended southwest from Logansport to Lafayette. In 1932 the route was extended north from Rochester to Warsaw. Later, the route was extended south from Lafayette to Waynetown.
State Route 25 is of through importance between Lafayette and Logansport, including the route from Lafayette to Fort Wayne via US 24. The route between Lafayette and Logansport is also known as the Hoosier Heartland Industrial Corridor. The road has been widened here to a 2×2 divided highway, partly over a new route. This 2×2 divided highway had been planned since the early 1980s, but only became reality after 2000. The 2×2 road was constructed between 2006 and 2013. The last section opened to traffic on October 18, 2013.
State Route 431 in Indiana
State Route 431, also known as the Keystone Parkway is a former state route and parkway in the U.S. state of Indiana. The road is largely a freeway through the northern suburbs of Indianapolis. The route consisted of two parts and is a total of 32 kilometers long.
The southern portion is a city road between Greenwood and Indianapolis, in the south of the metropolitan area. This section begins and ends on US 31 and is formed by Madison Avenue, largely a five-lane city highway with a center turn lane. This part leads completely through a built-up area with traffic lights.
The northern section is called the Keystone Parkway and runs from Interstate 465 on the north side of Indianapolis to US 31. This section opens up the northern suburb of Carmel. The highway has 2×2 lanes, but has another traffic light immediately north of I-465. The rest is grade-separated and intersects the urban road network at the bottom, each time with a connection with an oval roundabout.
State Route 431 originally formed a north-south route through the Indianapolis region. The State Route 431 number was dropped in 2007 and the route was handed over to the municipality in Carmel. The municipality of Carmel subsequently converted almost the entire road into a de-facto freeway through the construction of six grade-separated connections in the period 2009-2010. This is one of the few municipal highways recently built in the United States.