QUIZ

Find the math in a road sign.

Every sign here was spotted on a real road trip. You get the photo and its numbers. The math is yours to find.

Play a sign

No account needed to try. When you send your math, sign in with the same account as the Road Sign Math app.

Overhead signs on I-35W: Express Lane (E-ZPass or HOV 2+ only, 6AM-10AM Mon-Fri), Exit 8 82nd St 1 mile, and Exit 7B 90th St.
I-35W at 82nd Street

I-35W at 82nd Street, Bloomington, Minnesota, Found September 1, 2025

  • 2HOV 2+
  • 66AM-10AM
  • 106AM-10AM
  • 8EXIT 8
  • 8282nd St
  • 11 MILE
  • 7EXIT 7B
  • 9090th St
? = ?

How it works

1

See a sign someone posted: its photo, its place and its numbers.

2

Use every number in math that makes both sides match. It checks as you go.

3

Send it. A way nobody found yet goes on the sign for everyone, with your name.

A green guide sign beside the road: Hinesburg 8, Bristol 25, VT State University 1, Airport 3, Williston 3, Essex Jct 4.
On the way to the airport , six numbers
Overhead signs on I-35W: Express Lane (E-ZPass or HOV 2+ only, 6AM-10AM and 3PM-7PM), 35W South, Exit 11 for 62 East and West, and Exit 12 Diamond Lake Road.
Cancel it all out , nine numbers
A green exit sign beside the highway: Exit 2, County 5, 1 mile.
Twin Lakes , three numbers