In Japan, operators of West Nippon Expressway, Central Nippon Expressway and East Nippon Expressway are planning to spend around US$28.86 billion (JPY 3.02 trillion) to renovate ageing tunnels and bridges on their roads.
The expressway operators will be renovating around 2,110km of the combined 9,000km of expressways that they operate. This will include large scale renovations on about 1,870km of expressways, such as reinforcing tunnel foundations. The three operators will also renew about 240km of bridges