As budget deliberations continue at Edmonton's city hall, councillors are taking a critical eye on major infrastructure undertakings like the Yellowhead Trail freeway conversion project, which will cost over $100 million more than expected. 

The project will turn the expressway into three lanes of free-flowing traffic in each direction on the Yellowhead Trail from St. Albert Trail to 97 Street.

Due to the size of the project, it is being tackled in various phases but city council said Tuesday tha…