I-344 and I-335 designation were approved by AASHTO during the Fall 2023 meeting. Additionally the approval specifically mentions the intersection of I-240 and the John Kilpatrick Turnpike which can only exist if I-240 has been extended along this route  

Please see meeting minutes for more details

https://transportation.org/route/wp-content/uploads/sites/6/2023/12/Final_Report_USRN_Fall_2023_R_1.pdf