More roundabout interchanges planned in Hamilton County after 146th and Allisonville opens

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6 thoughts on “More roundabout interchanges planned in Hamilton County after 146th and Allisonville opens

  1. Great to see Hamilton County and its communities continuing to invest big in needed infrastructure projects!

    I would like to see an additional roundabout interchange at 146th and River Rd. Convert Community Dr. to right in/right out and try to tie into River Road via some type of access road network. Figure out a solution to enable removing the light at Cherry Tree Rd. This would create a free flowing roadway between SR 37 and almost US 31.

    I’d also encourage the county to replace the current stoplights at 146th and Spring Mill Rd, Oak Ridge Rd., and Rohrer Rd. with at grade roundabouts.

  2. Obviously Aaron, you don’t live along 146th. Up until 5 years ago, Community/Oxfordshire didn’t even have a stoplight. The overpass/roundabout STILL under construction at Allisonville has been a nightmare. There has been no left turn coming north on Allisonville for YEARS until a couple of weeks ago. A ONE grade level roundabout at Hazel Dell makes sense, but not another OVERPASS! Then GRAY road only a mile away to the west. Besides being overkill and excessive expense it’s not needed. Then, another mile down the road…..another ridiculous construction project. The Carey intersection ‘might’ benefit from a single grade roundabout. Way too much in a concentrated area with negative effects over a 6 mile strip. Total overkill and disruption.

    1. I too am frustrated by the ever lengthening timelines of these projects and thinks there needs to be a bigger focus on getting them done faster.

      However, these are needed project. Having studied similar places to Hamilton County, what you discover is that the worst congestion ends up happening on the “crosstown” routes. There are multiple north-south freeways in Hamilton County (US 31/Keystone and I-69/SR 37 once 37 is upgraded all the way to Noblesville), but there are no east-west freeways.

      Unfortunately, there was no right of way preserved to built one. It would have to pass far to the north and loop between Cicero and Arcadia. I actually do believe Hamilton County should preemptively preserve that corridor to allow for a future route, particularly since 236th St through downtown Cicero can’t be widened. But that wouldn’t be a needed roadway for sometime, and won’t serve the critical central Hamilton County area.

      The county is now doing the next best thing, which is upgrading 146th as much as it can. If this isn’t done, there will be major congestion issues in the future as our region continues to grow.

  3. Explain it to me like I’m 5….
    Why can’t Hazel Dell& 146 be like all the other roundabouts on Hazel Dell?
    Are we trying to spend money like it’s going out of style and ignore constituents?
    Or is this just plain ole helping a buddy keep people employed for years while they barely do the work they’re supposed to?
    This HamCo resident would really like to understand why…

    1. The volume of traffic that comes from both directions easily outpaces the other roundabouts on Hazel Dell. Plus, we aren’t really talking about what we need for today, but also for tomorrow where more and more construction is taking place up both Hazel Dell and Gray.

      I think I take a sick amount of pleasure in watching people complain about roundabouts on Facebook and comment boards like this. There could be some overpay in some cases, but ultimately it is an investment in having a city that does not live in total gridlock due to the amount of growth that has taken place. I guess I’m not a fan of self-important morons trying to take my front end off flying into a roundabout, but I guess that’s a trade off from having to watch 3 people stare at each other at a 4-way stop for 15-20 seconds all waving each other on with nobody moving.

      Just 2 days ago a woman in an Infiniti SUV absolutely cooked at 50mph+ the 4-way stop at 191st and Gray in front of me. If I had pulled out (absolutely could have happened as I was the only one at the intersection)… pretty sure she would have killed everyone in our car.

    2. You probably read about the problems at the 96th and Allisonville roundabout in Fishers. This is because both roads have high levels of traffic. At some point, roundabouts no longer function well with too many cars.

      With 146th and Allisonville, 146th St. through traffic goes over the roundabout on a bridge – so it doesn’t clog up the roundabout. Only traffic on Allisonville, and heading to and from Allisonville, has to go through the roundabout.

      The other intersections like 146th and Hazeldell will be the same way. This will make 146th start to function a bit like an east-west version of Keystone Parkway (except that there will still be driveways and some cross traffic still allowed).

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