There's a corridor study underway from the Deck Park Tunnel to I-10 / I-17 Split, including portions of State Route 51 (SR 51) and the I-10/Loop 202/SR 51 system interchange, known as the “Mini Stack.”
https://magi10study.mysocialpinpoint.com/
Interesting items that they are proposing to alleviate traffic and improve safety, including braided ramps, C-D roads, and new/relocation of ramps.
https://hdp-us-prod-app-wspusa-magstudy-...ay-Boards-36x24in_Fall2024_-_Updated.pdf
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