Tennessee has collected at least $20M more than expected under IMPROVE Act; road projects to take longer, cost more The Citizen 6 years ago The state in 2017 increased the tax on gasoline and diesel fuel to help fund a $10 billion backlog in needed road projects. Source: The Daily News Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Murfreesboro delays soccer park upgrade, road projectsDateApril 3, 2020In relation toLascassasRam's "Road Ramblings" Through June 6, 2020DateMay 30, 2020In relation toLascassasProjects will serve growing population in Rutherford County's cities in 2023DateJanuary 4, 2023In relation toLascassas