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Missouri’s Governor Parson just announced that funding was approved to widen I-70 across all of Missouri to three lanes in each direction. (The highway already exceeds 3 lanes within the two major urban areas.) This plan is meant to help alleviate high traffic volume on I-70 as it traverses rural expanses. This got me wondering: Is it common for an interstate highway to contain 3 or more lanes in each direction as it crosses the entirety of a state? I can see where it might be ordinary in small eastern states like Connecticut, New Jersey, or Maryland. I’m thinking more of bigger states. I can’t imagine three-lanes in each direction across larger states. Is Missouri is unusual due to STL and KC flanking each side?
I-71 in Ohio is at least three lanes from Cleveland to Columbus (roughly 125 miles). I'm pretty sure they are talking about making the entire stretch between Columbus and Cincinnati (100 miles) also three lanes.
I'm pretty sure that will get done before commuter rail between the three is up, and 99.9 percent sure it will get done before either Columbus or Cincinnati get anything more than what they have in terms of local "train" transit between those two (which is a couple mile street car route in Cincy).
In personal experience driving, I find I-44, from Oklahoma City to St. Louis, much of the drive in rural areas, to be one of the most draining. Many trucks on this route, with terrain on it. It's one of the few interstates I can think of that doesn't run directly north-south or east-west, but rather, northeast to southwest and between two out of the four major cross country interstates (I-40 to I-70). Many stretches of 44 in rural Missouri are two lanes. The road should be 3 lanes throughout, minimum.
I20 east of Dallas is incredibly busy for as many miles of inter urban stretches it spans. I30 is also really busy for being largely out in the sticks.
Those are really the only two which stick out to me.
Missouri’s Governor Parson just announced that funding was approved to widen I-70 across all of Missouri to three lanes in each direction. (The highway already exceeds 3 lanes within the two major urban areas.) This plan is meant to help alleviate high traffic volume on I-70 as it traverses rural expanses. This got me wondering: Is it common for an interstate highway to contain 3 or more lanes in each direction as it crosses the entirety of a state? I can see where it might be ordinary in small eastern states like Connecticut, New Jersey, or Maryland. I’m thinking more of bigger states. I can’t imagine three-lanes in each direction across larger states. Is Missouri is unusual due to STL and KC flanking each side?
For Maryland the only interstate that is consistently 3 lanes or more each direction is I-95, which make sense since the only somewhat rural area that road passed through is the 20 miles or so stretch from Aberdeen area to Elkton. I-70 has a 30mi or so section from western edge of Ellicott City to Frederick that pass through largely rural area that is 6 lanes total, but it is 4 lanes total for the most part west of Frederick.
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Originally Posted by westender
I-95 in Florida is two lanes in each direction for a significant distance, from Stuart north to somewhere near Daytona.
But I think there are some other states with three lanes in each direction. I-40 in Tennessee? I-65 in Indiana?
I-65 (and I-70) for the most part is 2 lanes each direction in Indiana. I have drove the entire route a few times back when I live in Indiana.
I-90 in Washington is 3 lanes through a long stretch of the Cascades. There are a lot of accidents and sudden blizzards out there in the winter, which I assume is the reason.
I-90 in Washington is 3 lanes through a long stretch of the Cascades. There are a lot of accidents and sudden blizzards out there in the winter, which I assume is the reason.
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