The terrain along the Negev route is extremely hostile. Bypass proposals have mostly focused on rail lines from Eilat/Aqaba to the large and well-developed Israeli ports on the Mediterranean, but even constructing rail lines there is quite difficult.
An underappreciated fact of Israeli and Palestinian geography is its mountains and hills; any major transportation project [1] requires extensive tunnel and bridge work.
[1] Examples: the TLV/Jerusalem high speed rail, the Haifa highway bypass, or a proposed transportation corridor connecting the main West Bank population centers along the ridge of the Judean and Samarian mountain ranges.
An underappreciated fact of Israeli and Palestinian geography is its mountains and hills; any major transportation project [1] requires extensive tunnel and bridge work.
[1] Examples: the TLV/Jerusalem high speed rail, the Haifa highway bypass, or a proposed transportation corridor connecting the main West Bank population centers along the ridge of the Judean and Samarian mountain ranges.