Medieval Norman Law vs Roadworks

The Clameur de Haro, an invocation for aid which formed part of medieval Norman law, is sometimes still used in Jersey and Guernsey to prevent to the commission of a wrongful act against an individual. Its effect is similar to an injunction. The most recent attempt to use the clameur occurred this summer:

http://www.theguardian.com/uk-news/2018/aug/14/guernsey-resident-halts-road-works-with-ancient-plea?CMP=share_btn_fb