It's been 7 years, but I used to work at the spring creek there. That area is a total nightmare (and dangerous at night) and I completely understand wanting to use that traffic light to "shield" your escape from the home depot parking lot. That was also
definitely Dallas city limits, and Duncanville LEOs should have known that. Duncanville limits stop at Wheatland Rd and HWY 67, a mile west of old hickory trail.
As an aside, in the year that I worked at that location, we were robbed once (at gunpoint, manager was barricaded in the refrigerator), burglarized once (the burglar shot our safe and himself from ricochet
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), my truck was broken into twice (after which I just left the huge hole in my dash where everything used to be
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), and there were at least 2 other robberies (jack in the box, popeyes) that I knew about. I don't expect it has changed much down there.