Location: I-25 and Old Pecos Tr, Santa Fe Cty Reassurance shield after the 466 junction. I-25/US-84/85/285 heads out of Santa Fe heading due south-southwest, and will continue heading south until the 285 split. Location: I-25 and Old Pecos Tr, Santa Fe Cty 5 miles to the US-285 split. Location: I-25 and Old Pecos Tr, Santa … Continue reading U.S. Route 85, NM-466 to US-285/NM-300