NEXCO EAST (Chiyoda-ku, Tokyo, Chairman: Shigejiro Yagi) provides detailed traffic congestion forecast information during the Obon period (August 8 (Wed)-August 21 (Tue)). At the same time, we took measures to alleviate traffic congestion depending on the cause, such as "providing speed recovery information using an LED display board" at locations where traffic congestion is predicted, such as in the sag section.

Compared to last year, the number of passengers increased by 1.9%, which resulted in a slight increase in traffic congestion, but a slight decrease in traffic congestion, especially for traffic over 30km.

• 1 Congestion loss time is the total loss time (delay time) of users due to congestion.
  Congestion loss time = Loss time due to congestion per vehicle (*) × Congestion duration × Number of vehicles involved in congestion
  • Maximum congestion length / (legal speed-average speed during congestion)

• 2 Comparison with the first year (2005) of the road traffic performance index "congestion loss time"

1 Congestion alleviation effect by providing speed recovery information in the sag section

Attachment-1 [PDF: 67KB]

At In-bound slope and sag section (*3), when you approach In-bound slope, your running speed may unknowingly decrease, resulting in traffic congestion. In order to alleviate such congestion, Tohoku Expressway, Kan-Etsu Expressway, Joban Expressway, where large congestion was predicted, Providing information to promote speed recovery using LED (light emitting diode) display board with excellent visibility The we.

This time, Measures were Large 21 locations (15 last year), and traffic congestion loss time was reduced by approximately 15% compared to the non-measured days at all countermeasure areas. Did. In particular, Tohoku Expressway Out-bound in the vicinity of Hanyu parking area (PA), that was taking measures Traffic speed near the top of the traffic jam has improved, and traffic congestion loss time has decreased by approximately 30% There was a day I did

We will continue to implement this traffic congestion countermeasure as it will reduce traffic congestion at a low cost.

• Refers to that of the third recess, the road Out-bound from the hill In-bound the place to change the slope

2 Traffic congestion mitigation effect by leveling lane usage before traffic congestion

Attachment-2 [PDF: 63KB]

At the junction of the interchange (IC), the traffic tends to be extremely biased toward the overtaking lane where you can drive at higher speeds in an attempt to avoid vehicles merging into the driving lane or slow speed vehicles, which causes traffic congestion. In places like this, Eliminating traffic congestion by increasing traffic volume by leveling lane usage Is planned.

Kan-Etsu Expressway In-bound Hanazono IC, etc., as a measure to alleviate traffic congestion by leveling lane usage, Providing information to promote the use of driving lanes with LED display boards The we. Compared to the days when no measures were taken, Lane usage is leveled and traffic loss time is reduced by approximately 20% There was a day I did

3 Changes in traffic associated with the use of ETC time zone discounts

Attachment-3 [PDF: 36KB]

Tohoku Expressway, Kan-Etsu Expressway, etc. have significantly increased nighttime/early morning traffic volume to which late-night discounts and early-morning night discounts are applied compared to before the introduction of the ETC time zone discount system (2004). And Promoting transportation shifts by introducing a discount system it was done. Especially in the area of Out-bound, there was a traffic shift where the traffic volume increased during early morning and night when the traffic volume was low, and the traffic volume at the peak of traffic congestion decreased.

ETC time zone discounts and weekend/holiday traffic congestion countermeasures discounts allow you to drive comfortably without getting caught in traffic congestion and reduce traffic congestion, so please continue to use it effectively.

4 Usage status of traffic congestion prediction information

Attachment-4 [PDF: 30KB]

In order to help you make to your customers' affluent travel plan development, Expressway information site "Doranabi (http://www.nexco.ne.jp/)" in such as Expressway provides congestion prediction information In August of this year, there were about 4.9 million use cases. (About 1.2 times the same period last year)

At our company, along with traffic congestion prediction information, "Traffic congestion point map" [PDF: 159KB] to let you know the occurrence points and causes Is a website for sending information on Expressway and driving trips "E-NEXCO Drive Plaza" (http://www.driveplaza.com/) We will inform you by the road traffic information.