Make radar keys illegal to sell without evidence of disability. I have often needed to use a disabled facility and been unable to as a non-disabled person has been using the facilities.
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I have been on a lot of seller sites where you can get radar keys and ‘can’t wait’ cards if you’re willing to pay, this is absolutely wrong and disadvantages people that need the items genuinely for medical reasons. I worry that these facilities are being misused for sex, drug taking, or vandalising. This stops the less able people of the country from having as normal a life as possible.