Location: SR 400 and I-80, Pershing Cty Reassurance shield as SR 400 begins. Location: SR 400 and Unionville Rd, Pershing Cty 16.5 miles later, SR 400 ends as we approach the ghost town of Unionville. Location: SR 400 and Unionville Rd, Pershing Cty Historic marker at the southern terminus of SR 400. Location: SR 400 … Continue reading Nevada State Route 400, I-80/US-95 to Unionville