Need help! Dog anxiety and hypervigilance

Hello fellow dog lovers,

I’m hoping to get some tips and success stories. My rescue dog has been with me for 5 years, she’s massively better since she came home when she was 6m but still quite restricted in her ability to tolerate some settings and activities. She’s likely a Jack Russell x whippet or something similar. She gets anxious, shaky and panting when she sights any bike or scooter, to the point where she avoids eye contact with me and her full attention is on tracking or anticipating another wheeled nightmare to come into her vision field. No treats or calls can refocus her attention and usually we have to leave where we are. I’ve done the Karen Overall relaxation protocol once and she’s done well one round in 2 quiet/private settings but can’t really stay calm in public places. I’ve sourced an eye mask to dampen her field of vision and that may be our next project. She’s certainly a country dog and has no major anxiety issues in such setting but city life is rough on her. I haven’t gone the medicine route and I’m not super excited about giving it a try. Any other ideas or thoughts about what we could try? Thanks for reading 🙂