The entire line of the Tateyama Expressway was opened by opening the Futtsu Chuo IC from the Kimitsu Interchange (IC) of the Tateyama Expressway Wednesday, July 4.

We would like to inform you that we have summarized the traffic conditions on the Expressway and the parallel general road immediately after the opening.

Expressway usage status (preliminary value)

The average daily traffic volume for 10 days from the opening of Kimitsu IC to Futtsu Chuo IC until Friday, July 13 is as follows.

Weekdays (Monday to Friday):

About 8,100 units/day

Holidays (Saturdays and Sundays):

About 14,700 units/day

7／5～13：

About 9,500 units/day

• Use of Expressway south of Kisarazu JCT (total mileage) has increased by about 67%.

General road traffic conditions

The maximum hourly traffic volume on National Highway No. 127 (Hojina, Konan-cho), which is parallel to Expressway, has decreased by 12% on weekdays and 14% on holidays.

Improved convenience to the Minamiboso area

Details [PDF: 191KB]

• With this opening, you can go from Tokyo to Tateyama in about 95 minutes.
• In addition, the Umihotaru Parking Area (PA) on the Tokyo Wan Aqua-Line Expressway, which passes through at this time, was reopened on July 14.
• Access to the sea and mountains in the Minamiboso area has become convenient before the coming summer season.

Reference material

Tokyo Wan Aqua-Line Expressway Umihotaru PA was reopened on July 14 [PDF: 280KB]