Shinjuku Route
The Shinjuku Route, signed as Route 4 is one of the radial routes of the Shuto Expressway system in the Tokyo area. Route 4 runs west from Miyakezaka Junction in Chiyoda-ku and runs for 8.44 miles through Shinjuku-ku, Shibuya-ku, and Suginami-ku. The Route 4 designation ends at the Takaido Interchange and the expressway continues as the intercity Chūō Expressway to Nagoya via Yamanashi and Nagano Prefecture.
History
- August 2, 1964 - Miyakezaka Junction - Hatsudai Temporary Exit section opened
- August 15, 1973 - Eifuku Exit - Takaido Interchange section opened
- September 27, 1973 - Hatsudai Exit - Eihuku Exit section opened
- May 18, 1976 - Completing the entire route.
Exit list
| Municipality | Exit/interchange name | Destinations | Notes |
| Chiyoda-ku | Miyakezaka JCT | Route C1 Outer Loop to Ginza and Hakozaki Route C1 Inner Loop to Meguro and Haneda | |
| Shinjuku-ku | Gaien | National Stadium of Japan, Meiji Jingu Stadium | |
| Shibuya-ku | Yoyogi | Meiji Jingu Shrine | Outbound exit/inbound entrance |
| Shinjuku-ku | Shinjuku | Shinjuku Station, Tokyo [Metropolitan Government Building|Tokyo Metropolitan Government Office] | No outbound entry ramp |
| Shinjuku-ku | Nishi-shinjuku JCT | Route C2 Outer Loop to Kumanocho JCT. Route C2 Inner Loop to Ohashi JCT. | |
| Shibuya-ku | Hatsudai | Japan [National Route 20|National Route 20], also known as Kōshū Kaidō avenue | Inbound exit/outbound entrance |
| Shibuya-ku | Hatagaya | National Route 20 | Outbound exit/inbound entrance |
| Suginami-ku | Eifuku | National Route 20 | |
| Suginami-ku | Takaido | Kampachi-dori | No outbound entry rampway Road continues as 25px Chūō Expressway |
