Somehow, the combination of "grid", "tracks" and "electricity" popped out to make me think you were calling for a National Slot Car Network.

Electric cars running on little slots in the road, with every car having a rigid steel rod fit into it and two metal pads on springs that ride on electrified rails embedded in the pavement.

I'm down, so long as we get to install those cool handheld trigger things in the cars.