Virginia Roads - VA 157

SB Richmond-area unisigns of traditional (proper specs) and odd variety. The latter two are on Quioccasin Rd. WB (it's like a moccasin but it only dates other moccasins of the same gender), which VA 157 uses to jog from Pemberton Rd. to Gaskins Rd. It could have also turned straight onto Gaskins north of US 250, and that would have put 157 right through the I-64 interchange instead of the next overpass to the east. For both of those reasons, why was this not done?

Onto US 250
To I-64
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