To access speed limit information.

Replace the word all below with your name (Eg, ABC123)
It must match your registration displayname, not your nickname.
It is used to throttle our Amazon bill!

To get the speed limit (this is off until we get a 2020 silver sponsor!).,-89.5,360

To get a box of speed limit signs.…

To submit a speed limit sign.

To delete a speed limit sign.…

For FAQ and more details,
api link.