Location: US-380 and FM 1827, McKinney Reassurance shield after the 1827 junction. Location: University Dr and Airport Dr, McKinney Reassurance shield about a mile later. Location: University Dr and SH 5, McKinney As we enter McKinney, we’ll approach SH 5 Location: University Dr and SH 5, McKinney SH 5 is old US 75 through this … Continue reading U.S. Route 380, TX-FM1827 to TX-5