Reports say most smart motorways do not save money. Smart motorways are special roads. They help cars move faster by using technology.
These reports are from a study in the UK. This study happens in 2023. Many roads in the UK are smart motorways.
Smart motorways are important because they help with traffic. They try to make driving easier. But, they can be expensive.
This means that people think smart motorways cost too much. They do not always help traffic problems as planned.
In summary, smart motorways need more success to be good value. People want better solutions for road problems.