"Iowa is on the verge of a transportation crisis," the DOT said in the report: Highways are deteriorating while expected to handle increasing traffic volumes, including heavy trucks. Meanwhile, Iowa needs roads in both growing urban areas and in rural areas that are key to alternative-energy production. These demands are outstripping revenue generated by gas and vehicle use taxes. The obvious solutions are higher gas taxes, new sources of revenue, such as toll roads or road-use fees based on miles traveled, or both.
Iowans will not relish the idea of gas taxes as much as 9 cents higher a gallon, but an increase seems inevitable. Iowans drive more each year - vehicle miles are up 36 percent in the past 15 years, and truck traffic is expected to increase by 50 percent by 2020. Eventually something must be done to accommodate that growth.
Contrary to the notion that the state has been paved over, the DOT notes that about 2.5 percent of the state is paved, roughly the same figure as in 1945. If people want to drive more while enjoying the same quality of roads and ease of access, they should be prepared to pay for it. Gas and vehicle use taxes, the ultimate example of a user tax, are a reasonable way to assess users for the privilege.
New revenues needed
But, because gas taxes are calculated on gallons sold, not the price per gallon, rising gas prices might cause gas-tax revenues to flatten as people avoid driving and buy more efficient vehicles. Moreover, as new forms of energy are used to power vehicles, Iowa likely will have to consider alternatives to the gas tax, such as toll roads or taxes based on miles driven.
It is also time the Legislature changed the formula for allocating gas taxes from rural roads to urban. The population shift from rural to urban creates demand for new roads in urban areas as well as highways for commuters who are driving longer distances. That does not mean rural highways should be neglected. The booming ethanol industry demands a first-rate transportation system to get raw materials and finished products from field to plants to markets.
Even the DOT admits the projected shortfall of nearly $30 billion over the next 20 years is a worst-case scenario. Not all of those projects will be needed, or built. But Iowa cannot ignore this reality. Unless people are willing to give up their cars, or delivery of consumer goods to their doorsteps and Main Street shops, they will have to pay for the network of roads and highways that make it all possible.