From the North:

94 East to 4th/7th Street downtown exit
Left on 2nd Avenue North
Left on Washington Avenue North
Left on 3rd Avenue North
First office building on right
Traffic Zone Building

From the South:

35W to Washington Avenue Exit

Left on Washington Avenue

Left on Third Avenue North

Office building is on right

Traffic Zone Building

From the West:

394 East
3rd Avenue North/Washington Avenue Exit
Left on Washington Avenue
Left on first available parking entrance  
First alleyway to left
Right on 3rd Avenue North
Office building on right
Traffic Zone Building

From the East:

Hwy 94 west
Cedar Avenue Exit
Right on Cedar
Turns into Washington Avenue
Follow to 3rd Avenue North
Left on 3rd Avenue North
First office building on right
Traffic Zone Building