ok so willowbank dragstrip is a separate drag strip in the same complex. It is not directly part of QLD raceway.
and yep bottom pic is correct.
and finally you sir are a legend
hang on a sec and il get a picture of the dragstrip in relation to the racetrack
Google earth location -27.692772, 152.661882
Edit: @ramthecowy yes correct, the dragstrip ends at the end of the dark road 1/4 mile