Being in the way is neither force, nor power. But, y'know. For some people, up is down, black is white and war is peace.
To be clear you're suggesting standing in the street constitutes:
> a violent takeover of public infrastructure
I suppose sitting in a diner which people didn't want you sitting in would also constitute, "A violent takeover of a private establishment".
Here’s a definition for ‘violence’, so you’re clear on how blocking highways is violence:
> violence: an unjust or unwarranted exertion of force or power, as against rights or laws
Here’s a definition for riot, so you’re clear on how a violent takeover of public infrastructure constitutes a riot:
> riot: “public violence, tumult, or disorder“