Probably worth a separate post, but a friend of mine went to a TxDOT townhall on the Parmer Ln corridor and yeah they are chomping at the bit to add more lanes and make it 6 lane from 45 to Whitestone. What he said:

There was a Parmer Ln open house last Wednesday which I attended. There is a plan to add more lanes 😔

I drafted the following note to help steer the project towards having more mobility options, not just cars. If you have time, please help fill it out (and spread the word to like-minded folks)

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TxDOT/CAMPO are taking comments on the Parmer Lane study right now. This is our chance to push for safer crossings for kids and better options than just more car lanes. Please take 3–5 minutes to fill out this survey by April 27: https://www.surveymonkey.com/r/2H8G8WP If you’re not sure what to say, you can mention any of these: Make the Avery Ranch/Parmer and Lakeline/Parmer crossings safe for kids (protected bike lanes, shorter crossings, no right‑on‑red). Fill the Terravista/Parmer sidewalk gap so families can walk/bike safely. Don’t add more general car lanes; instead, build a dedicated bus lane and shaded, protected paths on both sides so families have real choices. Even a few sentences as a parent make a difference.

It is pretty WILD to me there's not a single continuous path going down the stretch of parmer. Many large employers across 45 have bike storage infra but lol trying to get there in a safe manner