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Summary

A direct-action tactic in which participants physically occupy a site, road, or entrance to deny access to the target — sitting, linking, locking on, or chaining — designed to be hard to remove and to maximise media time.

Body

Blockades are the most-common dramatic-action tactic in the contemporary nonviolent repertoire: the deliberate physical obstruction of a site, road, or entrance to deny the target access to the location [source: beautiful-trouble]. The tactic draws on Gandhian salt-march and civil-disobedience precedents and has been central to anti-nuclear, climate, anti-logging, anti-coal-mine, and anti-eviction movements [source: wri-handbook].

The tactical families: sit-blockade (a group sitting in the target site, often locked together, designed to be hard to remove without physical force); lock-on / tube-lock (participants attached by arm or neck to fixed objects, requiring police to use cutting tools to remove them); lockbox / sleeping dragon (participants inside a reinforced structure); human-chain blockade (a continuous line across an entrance, designed to be large enough that police must take everyone off); vehicle blockade (a small vehicle or caravan parked at a choke-point); symbolic banner hang (an overhead banner that requires police work to remove) [source: blockadefibel-sitzenbleiben]. The German Blockadefibel treats these as a menu, not a hierarchy — the choice depends on the target, the time available, the resources, and the legal context [source: blockadefibel-sitzenbleiben].

The operational discipline: every blockade is an action in its own right, requiring the same planning as any other direct action — scenario, roles, materials, legal contacts, jail support, post-action [source: skills-for-action-handbuch]. The affinity group is the basic unit: 5–15 people who commit to staying together for the duration of the action, who have decided who will be arrested and who will not, and who have named the role each member plays [source: xr-de-bezugsgruppen-handbuch]. The spokescouncil is the coordination layer when multiple affinity groups are blocking a single site — each group sends a mandated spokesperson, the council makes binding decisions for the duration of the action [source: wri-handbook].

The strategic question a blockade answers: what is the smallest physical intervention that creates the largest possible political delay and the longest media cycle? The answer depends on whether the blockade’s goal is disruption (delay a specific event), attention (force a media cycle), or solidarity (visibly stand with a constituency the target has displaced) [source: beautiful-trouble]. The safety question: every blockade participant has the right to withdraw consent on the morning of the action without losing face — the affinity group is the social support for that withdrawal, not the social pressure against it [source: skills-for-action-handbuch].

Use it for

Designing a sit-blockade; choosing between lock-on and human-chain; integrating jail support and legal observers; coordinating multiple affinity groups at a single site.

Open Questions

  • When do blockades polarise rather than persuade? The XR Autumn Uprising (2019, UK) was a mass-arrest test — does the empirical record support a saturation-threshold model?
  • How to design blockades that do not physically endanger the participants or bystanders (kettle risks, vehicle blockade risks)?

Sources & verification

Verified 2026-07-02 by llm-qc.

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