Talk:Indiana State Road 37

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De-signing a state road where it overlaps another state road, interstate or US highway is quite common in Indiana,[citation needed] since state law sets a maximum limit to the Indiana's state highway mileage. However, for continuity purposes, the entire route--signed and unsigned portions--are retained in the state's route logs.

If this is the reason, why is it signed (not so much w/ actual signs, but e.g. saying to follow 465 rather than simply ending at the interchange and starting again where it leaves 69) where it coincides I-465 and I-69? I doubt that segments signed as multiple highways count multiple times for that rule, given that by that rule there’s got to be 200 miles of state/US highways and I-74 on I-465 alone. Probably what's being interpreted as "entire route is retained" is simply mile numbers. --Random832 16:05, 19 September 2007 (UTC)

This can be quite a confusing issue for those not familiar with Indiana's scheme for signing routes and maintaining route logs. First off by law, Indiana is limited to 12,000 miles of signed (and funded) state routes. Signed Inerstate, US, and state routes in the State of Indiana count toward Indiana's 12,000 mile limit of funded state highway mileage. However, where overlaps with interstate, US or other state highways occur, the route is often unsigned, meaning it doesn't count toward the state's 12,000 mile limit, but that unsigned segment is still recorded in the state's route logs as unsigned and therefore unfunded mileage for the purposes of maintaining continuity between signed segments. A good example of this is SR-37, which exists in two discontinuous signed (and funded) segments, but route logs still carry the SR-37 designation as an unsigned and unfunded route over several other highways from Marion north to the northeast side of Fort Wayne where the northern signed segment of SR-37 begins at I-469. One will notice that on the northern section, the first mile marker is either 221 or 222 (don't remember exactly), and they count up to Mile marker 234 at the Ohio state line, which includes the mileage from the southern signed segment, and the unsigned portion of SR-37 from Marion to Fort Wayne routed over other highways. The signed portions of SR-37 receive funding as SR-37, while the unsigned portions receive funding as the respective signed route (i.e., I-469, I-69, US-24, etc.). Hope that clears some of the confusion.67.169.155.123 04:59, 6 November 2007 (UTC)