Shikoku Expressway-Category Traffic

2015 and 2021 comparison

Combined traffic across all 101 comparable basic sections

2015
1,459,516
vehicles/day · sum of basic-section values
→
2021
1,339,116
vehicles/day · sum for the same sections
Change -120,400 vehicles/day(-8.2%)
RankPrefectureRouteSection represented by the traffic value2021 vehicles/day2015=100
1香川県高松自動車道府中湖SIC~坂出JCT26,65797.8
2愛媛県高松自動車道高松自動車道~川之江JCT19,98990.8
3愛媛県松山自動車道いよ小松JCT・IC~川内IC19,60090.2
4徳島県高松自動車道板野IC~高松自動車道14,962103.0
5愛媛県四国横断自動車道(愛南大洲線)三間IC~宇和島北IC14,374114.2
6高知県四国横断自動車道(阿南四万十線)須崎西IC~中土佐IC13,705105.9
7高知県高知自動車道大豊IC~南国IC11,09681.8
8愛媛県高知自動車道川之江JCT~川之江東JCT10,72074.9
9徳島県四国横断自動車道(阿南四万十線)徳島津田インター線~徳島沖洲インター線7,069-
10徳島県徳島自動車道藍住IC~土成IC6,65372.3
Meaning of the total: This is the sum of vehicles-per-day values across basic sections, not a count of unique vehicles. Only the same 101 sections with values in both years are compared; 4 non-comparable sections are excluded. Map positions and alignments are under review.