Location: US 1 and Trenton Ave, Bucks Cty Reassurance shield as the business loop rejoins. Location: US 1 and US 13, Bucks Cty These signs are pretty much shot. This is the northern terminus of US 13, which heads south all the way to North Carolina. Location: US 1 and US 13, Bucks Cty Exit … Continue reading U.S. Route 1, US-1 Bus to US-13