Planning for Eclipse Gridlock

C3 Hotel & Convention Center eclipse headquarters.

The official eclipse headquarters for is the C3 Hotel & Convention Center in Hastings, Nebraska. If you happen to be in Hastings for the eclipse, please stop by and say hello. We’ll be viewing the eclipse, and participating in some citizen science regarding radio propagation. We’ll be posting more details in coming weeks.

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We’ll be staying in what looks like a very nice hotel with an indoor pool. While we haven’t decided on our exact viewing location, the hotel parking lot appears to be perfectly adequate. The cost of the hotel room was very reasonable, and we’re paying the normal nightly rate. Since Hastings, Nebraska, isn’t normally a major tourist Mecca, the normal nightly rate is quite low.

However, if you decide that Hastings, Nebraska, is where you want to be, there’s a zero probability that you’ll be able to find a hotel room within a hundred miles (although there are still a handful of hotel rooms available in some cities in and near the zone of totality.) We made our reservations last August, but now it’s too late.

How Many Last-Minute Eclipse Chasers Will There Be?

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1911 Eclipse Crowds. Library of Congress.

1911 Eclipse Crowds. Library of Congress.

There has been very little media coverage so far of the eclipse, and most Americans probably haven’t heard about it yet, or have only vaguely heard about it. It seems likely that there will be a lot of media coverage in the week or two immediately prior to the eclipse. And many Americans will realize that they live within driving distance of the eclipse, and that the eclipse is a big deal. I predict that millions of them will decide, perhaps on the spur of the moment, to go see it.

According to Michael Zeiler of, 174 million Americans, 53% of the population, live within 400 miles of the total eclipse. I happen to be in that category, since I’m just under 400 miles. At his website, Zeiler makes some estimates as to how many of those people will decide to get in their cars and go visit. To come up with an estimate, he makes some assumptions, and those assumptions sound reasonable to me. Zeiler estimates that persons living within 200 miles of totality will have between a 0.5% and 2% probability of deciding to go visit.

This certainly seems reasonable. Think of a group of between 50 and 200 people that you might know. Think about the people where you work or where you go to school. If there was an eclipse 200 miles away (normally, about a four hour drive), do you think that there is one person in that group who would take the day off and go see the eclipse? Obviously, I’m in that category myself. I’m even an early adopter, since I made my hotel reservation last year. Most people will be late adopters. They’ll see posts on social media a week before. They’ll start hearing about it in the news. And some of them, like me, will decide to go see it. And I think one person in 200, or even one person in 50, is a very reasonable estimate of how many such people there are.

Zeiler adjusts his estimates as people are further away from the total eclipse. For people in my category (200-400 miles away), he cuts the estimates in half. He estimates that the probability of their deciding to go is between 0.25% and 1%. Again, think about a group of people you know, such as people at work or school. Do you think that if you took a group of between 100 and 400 people, that there is one person who would drive 400 miles (normally, about an 8 hour drive) to go view the eclipse? That seems like a reasonable estimate to me.

As the population gets further away from the eclipse, Zeiler’s estimates go down. For example, he estimates that those 400-600 miles away have a probability between 0.125% and 0.5% of going to see the eclipse.

All of these estimates sound relatively conservative to me. Again, it’s not too hard to imagine that out of a group of 200 people, one or two will decide to take the day off from work to see a free event that’s being heavily hyped on social media.

But the effect of even this small percentage deciding to see the eclipse is quite staggering: If these conservative assumptions are correct, then between 1.85 and 7.4 million people will go visit the path of totality.

Where WIll the Visitors Go?

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Where will these people go? They will probably drive to the closest point where the total eclipse will be visible. They’ll look at a map, determine the closest point, and then figure out the shortest route to get there.

In my case, the closest point where I can view the total eclipse is near Lathrop, Missouri, population 2086, just northeast of Kansas City. I go to Google Maps, where I am told that it’s a 403 mile drive from Minneapolis to Lathrop, and that it normally takes just under 6 hours. So in theory, I can get up early the morning of August 21, drive to Lathrop, Missouri, and view the eclipse. Then, I simply turn around, and get home by early evening.

But there’s a problem. A lot of other people will be descending on Lathrop, Missouri. It’s the closest spot for me, because it is where Interstate 35 intersects the path of totality. But it’s also the closest point for 12.5 million other people who live close to Interstate 35, including most of Minnesota and Iowa, as well as parts of Missouri, Kansas, and Oklahoma.

Here is Zeiler’s map showing the shortest travel route for these people to the eclipse, and every single one of those people has a preferred destination of Lathrop, Missouri:

Caption goes here.

Map courtesy of Michael Zeiler,

If one percent of those people decide to make a day trip to view the eclipse, then there’s a good chance that many of those 125,000 people will descend on Lathrop, population 2086.

That’s not quite as bad as it sounds, because those people don’t need to drive all the way to Lathrop. They’ll be perfectly happy being on a 70 mile stretch of highway north and south of Lathrop. That works out to 1785 people per mile. If we assume that there are two people in each car, that means 893 cars per mile. Since the freeway is two lanes, that’s 446 cars per mile in each lane. That’s about 12 feet per car. But according to Wikipedia, a full size car is about 16 feet long.

This means that if Zeiler’s predictions are correct, there could be a monumental traffic jam of greater than 70 miles, meaning that some Americans will miss the eclipse because they’re stuck in traffic just a few miles away from the path of totality.

And Lathrop, Missouri, is not the worst choke point. Zeiler has idenified many others that will be traffic nightmares the day of the eclipse, since they represent the point where major highways cross the path of totality. Lathrop is only the ninth worst. The largest choke point is where Interstate 95 meets the path of totality near Santee, South Carolina. This represents the closest point for most of the Eastern Seaboard. If anyone in New York or Philadelphia or Washington or Miami wants to visit the eclipse, then Google Maps will send them to Santee, South Carolina. For 74.6 million Americans, Santee, SC, population 740, is the best place to go.

For example, if you live in Jacksonville, Florida, and want to see the eclipse, then Google Maps will send you to Santee and tell you that it’s 240 miles and you’ll get there in 3-1/2 hours. But Google Maps will potentially also send 74.6 million other people there.  There will be a traffic jam.

Then How Can You See the Eclipse?

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Does this mean that you should skip the eclipse? No, it does not. It doesn’t even mean that you shouldn’t make a day trip. After all, even in the worst case scenario, most (but not all) of the people stuck in the traffic jam on Interstate 35 near Lathrop will be stuck within the zone of totality. For those people, the traffic won’t be moving anyway, so it won’t really do any harm to get out of the car and look when the eclipse happens. And almost certainly, some of the people stuck on the freeway will take an exit as soon as they are within the path of totality and find a legal parking place on some other road.

But if you do decide to make a last-minute trip to view the eclipse, you’ll need to allow much more time than it ordinarily takes. If you don’t have a place to stay (and unless you act fast, you won’t have one), I think the best strategy is to leave Sunday and plan on driving through the night. Take turns driving, and sleep when you can.

I also encourage you to avoid the choke points, most of which are located along major north-south interstates. For example, from the Minneapolis-St. Paul area, it seems that Nebraska is a much more convenient destination, even though it’s more miles. Nebraska’s main choke point is in the extreme southeast corner of the state, and actually lies mostly in Kansas, since most potential visitors from Texas and Oklahoma will be routed to this point. Notably, a full 252 miles of Interstate 80 are within the path of totality. So even if you get stuck in a 252 mile traffic jam, you still won’t miss the eclipse.  But you do need to plan your route, and do your best to avoid the inevitable choke points

How Else to Prepare

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The other thing to remember is that the communities in the path of totality may have seriously underestimated the number of people coming. Lathrop’s Wikipedia page optimistically states that “plans are in the works for Lathrop to host observers that come to Lathrop to view the eclipse.” But I wonder whether Lathrop (population 2086) is really prepared for 125,000 people.

Apparently, a solar eclipse festival is being planned for Lathrop, but according to the festival’s website, they still need volunteers, food vendors, and local land leases for camping, viewing, and parking. They do have buses scheduled from Des Moines and Kansas City.

Those buses will certainly help, but the Des Moines bus leaves at 5:25 AM and is scheduled to arrive at 8:00 AM. It will probably make it in time for the eclipse, but if Zieler’s predictions are correct, it might not.  I predict that it will not arrive as scheduled at 8:00 AM.

The massive number of potential visitors to a small town highlights another point: It is very likely that there will be shortages of gasoline, food, water, and toilet facilities. If you are making a last-minute trip (or even one like mine that’s been planned for months), it seems wise to bring enough food and water for yourself, without having to rely on potentially strained local resources. Also, fill your gas tank before you leave home, and keep it topped off. It seems very likely that gas stations will run out of gas at some points close to the line of totality. At the very least, there will be long lines as those 125,000 visitors decide to fill up their tanks.

Since you don’t know exactly where or when the gas will run out, it’s a good idea to keep your tank as full as possible.  I would fill it up when you’re a hundred miles away, and then again when you’re 50 miles away.

Make Travel Plans Now!

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Vista Inn & Suites Airport EastIt is still possible to make hotel reservations in and near the zones of totality. This is especially true in the eastern United States, where you can still get hotel rooms. I have links to available hotel rooms at this link. The situation in the western U.S. is much more tight, but some hotels are still available at this link.

Camping is now the only option in some areas, and will be soon in most other areas. Temporary campgrounds are being set up in many areas. I don’t think the current number of campsites will meet the demand, but there are quite a few campsites where you can make a reservation, guaranteeing yourself a spot. Even if you don’t normally camp, knowing that you have a safe place to sleep will allow you to make a much more leisurely drive on Saturday or Sunday, before the huge crowds arrive. Even an inexpensive tent and sleeping bag and a reserved campsite will be preferable to the uncertainty of having to sleep in your car in an unknown parking lot or at the side of the road. Since camping reservations are still available, this seems like inexpensive insurance. I have links to available campgrounds within the eclipse area, many of which are taking reservations.

Eclipse Opportunity for Churches and Non-Profits

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Black-church-clip-art-free-clipart-imagesFinally, the possibility of large numbers of unprepared travelers seems like an opportunity for churches, schools, organizations, and even businesses within the eclipse area. If you are within the area of the eclipse, it seems quite possible that your area will be besieged with persons in need of food and lodging. While licensing requirements might not allow you to go into the hotel or restaurant business for profit, you can potentially provide a valuable service to eclipse travelers. Thousands of people might be grateful if you gave them a place to park, a safe place to sleep, food and water, and a place to view the eclipse. And frankly, most of those grateful people will probably be inclined to make a donation to your organization.

It seems to me that if your place of worship in the eclipse area has a parking lot, a fellowhip hall, a kitchen, and a restroom, then you should be prepared to extend your hospitality by using them. It might not be necessary. But if you make some minimal preparations before the eclipse, then you would be prepared if the need arises. The main preparations would be to have some of your members be willing to volunteer, and perhaps purchase enough non-perishable food to feed a large group of people.

If I were doing this, I would stock the church kitchen with pancake mix, syrup, spaghetti, canned spaghetti sauce, and powdered drink mix. It would not provide a gourmet meal, but it would give your unexpected visitors a filling breakfast and lunch if the local restaurants and grocery stores are overwhelmed by the crowds. And, of course, don’t forget the coffee.  Even if you don’t need to house anyone, a coffee pot set up outside the church will be a welcome sight to many visitors, and the accompanying basket for free-will offerings will probably fill up rapidly.

If I am right, then all you’ll need to do the night before or the day of the eclipse is to have your pre-arranged volunteers come to the church (where they can view the eclipse along with your visitors). If the town is gridlocked and unprepared, then all you need to do is put a sign out front reading, “Sleeping Space and Meals: Free Will Offering.”  And if I’m right and you tell the chief of police or mayor, “we can take a hundred people,” then I think you’ll have their gratitude as well.  If you are in the eclipse area but off major highways, then an announcement on local radio stations may allow you to take the pressure off overwhelmed neighboring communities.

If I am wrong, you have little invested, and you can donate the food items to the local food shelf.  But I think I’m right, and if I am, you want to be in a position where visitors to your town can tell you, “I was hungry and you gave me something to eat, I was thirsty and you gave me something to drink, I was a stranger and you invited me in.”

See Also:  Omaha World Herald article.

7 thoughts on “Planning for Eclipse Gridlock

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  6. Joy


    Perhaps you could encourage towns that have post offices to get ahold of a special cancellation stamp for Aug. 21st, and offer specially-printed postcards and envelopes, along with good supplies of the eclipse stamps. These would make awesome mementos for visitors to mail home to themselves!

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