Location: 1st Ave St and US-30, Mt Vernon Reassurance shield after the US-30 junction. Location: 1st Ave S and 1st St W, Mt. Vernon In downtown Mt. Vernon, we’ll approach the old Lincoln Highway. Turn right for Lincoln Highway east and left for Lincoln Highway west. Location: 1st Ave S and 1st St W, Mt. … Continue reading Iowa Highway 1, US-30 to US-151