Cities are often undergoing improvement processes in the form of __ roads under construction hazard identifications traffic cone placement traffic light malfunctions

## Step 1
The question is asking for the form of improvement processes that cities often undergo. The options provided are: roads under construction, hazard identifications, traffic cone placement, and traffic light malfunctions.

## Step 2
We need to identify which of these options is a form of improvement process.

## Step 3
"Roads under construction" is a form of improvement process as it involves the development and enhancement of the city's infrastructure.

## Step 4
"Hazard identifications", "traffic cone placement", and "traffic light malfunctions" are not forms of improvement processes. They are more related to safety measures and issues that may arise during the construction process.