Explore details about location Route 4. Route 4 is a location situated within the 青森市 alongside other areas such as 旧線路通り (Kyū-Senro Dōri), 国道7号バイパス, 増田浅虫線. Additionally, some smaller parts of Route 4 include specific areas like 青森浪岡線 adding to the diversity of its landscape.