Low Cost Zebras?

Studies in Manchester suggest that low cost, paint-only zebra crossings are effective in making car drivers stop for pedestrians. It's consequently suggested that, if the rules on such crossings could be eased, this would encourage walking (https://www.theguardian.com/politics/2021/nov/07/charities-call-for-easing-of-zebra-crossing-rules-to-promote-walking). Walking is a good form of exercise with minimal production of 'greenhouse gases'. The suggestion is likely to be resisted, as activists could create crossings anywhere, with just a can of white paint!