Operation of additional lanes of [E14] Keiyo Road will start on Tuesday, August 4

NEXCO EAST Chiba Management Office (Chiba City, Chiba Prefecture) and Ichihara Management Office (Ichihara City, Chiba Prefecture) E14 We have been working on installing additional lanes as part of measures against traffic congestion at Keiyo Road, but we will start operation of additional lanes on 2020 August 4th (Tuesday). I will.

1. Operation start section/date and time

• Attached to each line E14 The indications such as indicate the route number (numbering) of Expressway.
• The operation start date may change depending on the weather conditions on the day.

2. Location map

3. Overview of additional lane business

■ Section ① Keiyo Road (In-bound line) Takeishi IC ⇒ Funabashi IC
In addition to increasing the traffic capacity of the entire section by installing additional lanes, it will also be possible to smoothly change lanes when merging from each IC entrance to the main lane, thus alleviating traffic congestion and punctuality of traffic. You can expect effects such as improved safety.

■ Section ② Keiyo Road (In-bound line) Chiba East JCT ⇒ Kaizuka IC
In addition to increasing the traffic capacity of the entire section by installing additional lanes, it will be possible to smoothly change lanes when merging from Chiba Higashi JCT to the main line, and pacemaker lights between Anagawa IC and Kaizuka IC By installing the, you can expect the effects of reducing traffic congestion from the Anagawa IC and improving the punctuality and safety of traffic.

■ Section ③ Chiba-Togane Road (In-bound line) Between Chiba East IC ⇒ Chiba East JCT
By installing additional lanes, in addition to increasing the traffic capacity of the entire section, it becomes possible to smoothly change lanes from the front of Chiba East JCT to each traveling direction, alleviating traffic congestion and improving punctuality of traffic You can expect such effects.

• Destination guidance with signs and road markings

4. For customers

• The additional lane between Keiyo Road Makuhari PA and Hanawa IC is directly connected to the IC exit lamp, so passengers heading to Tokyo should change lanes to the main line with plenty of time.



• A main line information board has been newly installed in this business section. When an event such as exit information, an accident, or a falling object occurs, we will inform you of the event content on the newly installed main line information board, so please pay attention to the displayed content and drive.

5. Reference

■ Business history

December 2013

1st Working Group on Chiba Prefectural Gulf Traffic Congestion Bottleneck Confirmation of Congestion Status

February 2014

2nd Working Group on Chiba Prefecture Congestion Bottleneck Study Working Group Analysis of Congestion Factors

February 2014

3rd Chiba Prefectural Gulf Traffic Congestion Bottleneck Study Working Group Announcement of Measures

March 2014

Business permit

April 2014

Keiyo Road Anagawa IC-Kaizuka IC (In-bound line) Start operation of additional lanes

May 2014

Operation of some additional lanes between Anagawa IC and Kaizuka IC on the Keiyo Road (Out-bound)

June 2016

Keiyo Road Anagawa IC-Kaizuka IC (Out-bound line) Start operation of additional lanes

April 2017

Keiyo Road Hanawa IC, Makuhari IC (In-bound line) Extension of acceleration/deceleration lanes

■ Traffic jam situation

Keiyo Road Funabashi IC-Takeishi IC has an average of 110,000 vehicles a day, and Kaizuka IC-Chiba Higashi JCT has an average of 80,000 vehicles a day. traffic congestion and due to the change In-bound under the influence of such rate reduction due to slope, traffic congestion has become chronic. In the worst traffic congestion ranking by IC section in 2018 (Ministry of Land, Infrastructure, Transport and Tourism), the Makuhari IC-Hanawa IC In-bound line is the worst 19th place, and the Takeishi IC-Makuhari IC In-bound line is the worst 20th place.

(Reference) Worst traffic congestion ranking by IC section (2018, total annual) *Ministry of Land, Infrastructure, Transport and Tourism announced
19th place Keiyo Road (In-bound) Makuhari IC-Hanawa IC Congestion loss time: 570000 people・hour/year
20th place Keiyo Road (In-bound) Takeishi IC-Makuhari IC Congestion loss time: 546,000 people・hour/year

• * Twitter's official account "NEXCO EAST (Kanto)" (@e_nexco_kanto ) Also delivers information.