The , signed as Route 3 of the Shuto Expressway system and AH1 as a part of that route of the Asian Highway Network, is one of the radial routes of the tolled Shuto Expressway system in the Tokyo area.
The , designated as Route 3 of the Shuto Expressway system and AH1 as part of that route of the Asian Highway Network, is one of the radial routes of the tolled Shuto Expressway system in the Tokyo area.