Type 'easy' or 'hard' to begin the quiz. Easy is a 5-degree grid, hard is a 2.5-degree grid. Then, try to name the LARGEST city in each grid square which fits the category label for each square. To name a city, you must first click on the grid square to make it have a GREEN border. Then, type in the city answer for that square followed by a '.' (a period). You are given a score from 0 to 100 based on your answer's population compared to the largest city accepted in that square (100 being you named the largest city).
LETTER: means the city starts with that letter.
NUMBER RANGE: (such as 2-5, 10+) means the city contains that many letters (excluding spaces and special characters).
POPULATION RANGE: (such as 50-100K) means the city has that range for its population.
2+ WORDS means the city name has 2 or more words (words denoted by a space or hyphen).
AK and HI are NOT included in this quiz as they often have grid squares with only one answer for this quiz.
At the end of the quiz the largest population missed answer will show in each unanswered square, and for those answered the largest city will be listed if you didn't answer it.
Quiz Takers 
Why is Indianapolis not counted in the I-65 quiz? I-65 and I-70 both go through Indy in the same spot. It should definitely count for I-65.
Toquerville, UT isn’t exactly on I-15…unless its borders extend to I-15…
Yeah borders go way up across I-15.
Why isn’t there southern I-87? Here are the cities for I-87 southern:
Raleigh, NCKnightdale, NCWendell, NCSaratoga, NCFarmville, NC
We should have a choice between the two I-87’s, as well as 88, 76, 86, and 84.
I see that some CDPs were removed from the quizzes, because, of course, CDPs are not to be allowed in any quiz that is not specifically for them, right?
I daresay CDPs do not actually exist, and any people that you might meet from time to time that claim to be from those places are suffering from mass delusions. Truly, you do the Lord’s work by ensuring that knowledge of such non-places can never be rewarded.
Anyway, I had a question. Are you going to adjust the high scores for anyone who currently has a total higher than the current number of cities for a given interstate so that their total doesn’t exceed 100%? Otherwise, I don’t see much incentive in playing some quizzes, because even if I got everything the quiz offers, my score will still be lower than someone who played before 11/2023.
Yeah I can adjust high scores downward – let me know of interstates where this is the case.
Murfreesboro, TN does not intersect I-40 at all, It is miles away. Also If a city has the same name in a couple of states, is it only listed once? and which one is it – the first one from west or south or the largest?
Murfreesboro city limits do include 840 (which per directions is included as part of I-40). If multiple cities of the same name are in a state they are both included at their correct positions.
At least for 95, it’s very arbitrary as to what kinds of municipalities you accept. Like you accept some boroughs in NJ, but not some. Some towns in CT, but not some.
My cities quizzes generally don’t include towns except some northeast states like CT, similar to boroughs – it depends on if they function similar to a city in that particular state or not.
Ok I’ve changed this quiz as I was able to do it so a city is included only if the city’s boundary intersects with the highway (rather than based on population like before) – therefore many of the totals have changed a bit, so I reset all the scores and stats as many wouldn’t make sense anymore.
Ah, California… I find it funny how there’s an entire quiz for “I-38” without there actually being an I-38.
ha – i didn’t actually know that about “I-38” they actually call it I-238.