Location: Platt St and US-61, Maquoketa Reassurance shield after the US-61 junction. Location: Platt St and 5th St, Maquoketa Reassurance shield as we approach downtown Maquoketa. Location: Platt St and Main St, Maquoketa In downtown Maquoketa, stay straight or turn left for the scenic byway. 64 stays straight. Location: Platt St and Main St, Maquoketa … Continue reading Iowa Highway 64, US-61 to IA-62