Location: I-94 and US-20, LaPorte Cty Reassurance shield after the US-20 exit. This is also an emergency routing of I-80/I-90. Location: I-94 and US-421, LaPorte Cty A few miles later, we’ll approach US-421. Location: I-94 and US-421, LaPorte Cty One mile to US-421. Location: I-94 and US-421, LaPorte Cty 421 north heads into downtown Michigan … Continue reading Interstate 94, US-20 to US-421