The accident on Scott near Almeda Genoa Road was discovered just after 7am. Construction workers arrived and discovered a black Lexus had slammed head-on into a front-end loader on a section of Scott Street that is still under construction.
Firefighters called to the scene say the car was apparently going the wrong way on that road. It's not clear how the woman got there. There was a barricade moved, but authorities don't know yet who may have moved it.
Authorities say the engine was cool when construction crews arrived, leading them to believe the accident happened sometime overnight.
The woman killed has not been identified. The cause of the accident is still under investigation.