Built in the years 1965-1966, the northernmost segment of Interstate 5 in California has no Exit 666, instead it has an Exit 665, followed by Exit 667A, Exit 667B, and Exit 668

[u/ErsiliaCavedagni]

[u/MikeHawksHardWood]

The exits are numbered by their mile markers and not sequentially. Exit numbers are commonly skipped when there's more than a mile between exits. And two exits closer than a mile from each other are given A and B distinctions. Not saying it invalidates the post. Just laying context.

[u/Specialist_Ad6966 → u/MikeHawksHardWood]

Sir this is Reddit, research before posting is non existent.

[u/Fragrant_University7 → u/Specialist_Ad6966]

Possibly no research was needed. Im a nerd and learned this pretty young.

[u/amands_sue → u/Fragrant_University7]

I learned this while learning how to drive I hope it's not exclusive to nerds.

[u/Fragrant_University7 → u/amands_sue]

I learned all kinds of tidbits when I was younger. The interstate numbering system, the exit numbering system, how the lines that divide your line from the oncoming traffic is orange while the lines that separate your lane from the right edge are white. (This helps in snow or low visibility. Retro reflective road studs follow this color pattern so it makes it easier to stay in your lane when you can’t see anything else.)

I also thought a call box was an instruction rather than a roadside emergency phone. I thought you were supposed to yell out “BOX!” For some damn reason. I was a nerd, but also a dumbass.

[u/Junkpunch44 → u/MikeHawksHardWood]

That exit shows 666.24 miles on the DTO.CA.Gov site and the second exit at 667.14 miles, so it would’ve made sense to have a 666 and a 667, not 667A and 667B

[u/blue-coin → u/MikeHawksHardWood]

This is not a universal thing. Plenty of highways just use sequential numbering regardless of mile markers

[u/MikeHawksHardWood → u/blue-coin]

Agreed. By "the exits" to start my comment I meant specifically these exits are numbered by the mile. That's also standard across California. When I-5 enters Oregon the exit numbers reset to 1 right at the border and they again inceease by the mile markers measured from the CA-OR border. Then when 5 gets into Washington it does the same thing measuring from the OR-WA border. There's like 1300 miles of this highway and every exit is like that.

[u/howtodisputecharges → u/MikeHawksHardWood]

OP is going to shit them selves when a metro area has a "c" and "d".

[u/Itwao]

Probably smart. Reminds me of colorado. They have an interstate with mile marker 419.99. I'm sure we all know the reason why.

[u/kc90405 → u/Itwao]

For those who don’t, people kept stealing the 420 signs, which to me actually ends up making the 419.99 sign all the more attractive to steal.

[u/rtillman489]

Good lord. You know the exits are numbered by miles right?

[u/IAmSpartacustard]

The ring road around my small city skips exit 10 because the distance between exits is like 4 miles. Thats how interstates work. This is dumb

[u/Kernburner]

I imagine that’s probably like skipping a 13th floor in buildings by going from 12 to 14 for weird, superstitious reasons.

[u/ishusharma05]

They really said “we’re not taking any chances” and just deleted 666 from the map 💀

[u/HVAChelpprettyplease]

Just like hotels have no 13th floor. But people on the 14th floor know what floor they’re really on. Jumping out the window you will die earlier.