From Phoenix:

1. Get off at Exit 185, onto Pinal Avenue (heading south)
2. Make a left at the fifth set of lights (Cottonwood Lane)
3. Before you reach the second set of lights (Trekell Road), Cooperative Extension is in the complex on the left-hand side, west of the Safeway Store, Building C.

From Tucson:

1. Get off at Exit 194, onto Florence Blvd. (heading west)
2. Make a right at the sixth set of lights (Peart Road)
3. Make a left at the second set of lights, on to Cottonwood Lane
4. Cooperative Extension is in the complex on the right-hand side, just west of  Trekell Road. (turn in just past the Safeway Store).