The speed limit is 80 km/h along the majority of the route, there are some 100 km/h sections between Naruto Junction and Tsuda-Higashi Interchange and Takamatsu-Nishi Interchange and Kawanoe Junction.
History
The first section of the Takamatsu Expressway to open was between Zentsuji and Mishima-Kawanoe interchanges on 16 December 1987. The final section of the expressway (9.1 km between Takamatsu-Chūō and Takamatsu-Nishi Interchanges) was opened on 30 March 2003. The 16.2 kilometres (10.1 mi) long Takamatsu-higashi Road was incorporated into the Takamatsu Expressway on 21 November 2017.[2]
List of interchanges and features
This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can.(November 2021)
Due to open the expressway from Takamatsu towards Matsuyama, kilometer markers between Naruto Toll Gate and Takamatsu-Nishi Interchange show the distance from Naruto Toll Gate plus 100 (the marker at Naruto Toll Gate is 100.0 while the marker at Takamatsu-Nishi Interchange is 165.4). Therefore, the exit numbers continue from the sequence of the Takamatsu-Nishi Interchange, starting at 7.
To prevent confusion with the main route, kilometer markers along the Sakaide Route show the distance from Sakaide Junction plus 500 (the marker at Sakaide Interchange is 500.0 while the marker at Sakaide Junction is 502.0).