The system uses speech technology to announce exit numbers and turns.

The exit numbers are given as those of I-59.

The old exit numbers will be displayed on signs along with the new ones until March 2009.

Work began on posting the new exit numbers in 2001.

The number became even more out of place when the other signs were replaced, bearing no exit numbers.

It also is the only Interstate in the two states with no exit numbers.

There is no exit number for I-84 west because of the concurrency.

You should see airport signs, but just in case, it is exit number 154.

Thus drivers can navigate either by exit number or name.

Here, see if you can find where we are, and then tell me the exit number.