Carroll-area coalition urges four-lane upgrade for U.S. 30, cites safety and economic benefits

Adam P. Schweers, representing the Highway 30 Coalition, presented an abbreviated version of a 2022 economic and engineering study and urged the Carroll County Board of Supervisors to support a long-term plan to expand U.S. 30 to four lanes at key segments between Ogden and Carroll and Lisbon to DeWitt.

The study, prepared for the coalition by Snyder & Associates with economic analysis by consultant Mike Lipsman, recommends phased upgrades and bypasses at several towns and estimates roughly $300 million for the Carroll–Ogden segment and about $311 million for the Lisbon–DeWitt segment — a combined cost of about $613 million spread over a decade or longer. “Expanding US 30 across Iowa is an important element of a comprehensive economic development strategy for counties located in the corridor,” Schweers said, quoting the study’s conclusion.

Why it matters: Schweers stressed the corridor’s role in moving agricultural goods to elevators, rail and river terminals and said reliability and predictability on U.S. 30 affect labor pools, business site selection and safety. He cited the study’s transport-focused benefit–cost ratio of about $1.27 returned for every dollar spent on roadway improvements and said the true net benefit likely is higher when accounting for emissions and safety — analyses the coalition did not finance.

Study details and recommendations: Snyder & Associates and Lipsman analyzed U.S. 30 alongside Highway 20 and I‑80, using roughly 30 years of historical data and recent population, sales-tax and traffic counts. The presentation identified two 40-mile priority sections (Ogden–Carroll and Lisbon–DeWitt) for four-lane improvements, recommended using existing right of way where practical (a “rural 4” concept), and proposed targeted bypasses at communities that reported safety or traffic‑flow problems. Schweers described specific recommendations: a bypass at Grand Junction to avoid a north-side rail spur, a bypass at Clarence where downtown parking and daycare locate near the corridor, and a bypass around Missouri Valley that coalition members have advocated to reduce floodplain and vibration impacts on downtown buildings.

Safety and local impacts: Schweers said businesses and farm operations are increasingly using semitrailers rather than wagons to move growing bushels of grain, raising concerns about passing, congestion and accident risk on two‑lane stretches. He cited a local example: Mechanicsville school buses now avoid Highway 30 because of delays at a rail spur, a change the presenter said the district implemented for safety.

Opposition to “super 2”: Schweers criticized the DOT’s ‘‘super 2’’ alternative — a two‑lane highway with occasional passing lanes — saying it “is not the direction that we need to go. It does not promote economic development. It does not promote safety for our drivers.” He described super 2 as a configuration that can leave drivers perpetually unable to pass slower vehicles and therefore not solve predictability or throughput problems.

Costs, phasing and timing: The coalition’s schedule frames design and environmental work to begin as early as 2027, with potential construction starts in 2030 and completion of multiple segments spread into the mid‑2030s (the presentation cited possible completion by 2037 for the sections discussed). Schweers emphasized the intent to spread costs over many years and urged the DOT and state to continue allocating funds for rural highways alongside interstate projects.

Endorsements and legislative steps: Schweers said the Farm Bureau and other local economic development partners endorsed the rural‑4 concept. He described two bills advanced in the Iowa House: one to require DOT commissioners to be selected from each transportation district (a change the coalition supported to increase regional representation) and another designating Highway 30 as a state priority corridor; both had passed the House and were awaiting Senate action, he said.

Study limits and next steps: Schweers acknowledged the private coalition paid for the study (about $100,000) and that some impacts — notably emissions and detailed safety cost analyses — were excluded for lack of funding. He offered to arrange follow‑up calls with Wade at Snyder & Associates and Mike Lipsman for board members seeking technical clarification.

The presentation concluded with a request that the county and other local governments advocate for continued DOT and legislative attention to U.S. 30’s phased upgrade rather than acceptance of the super‑2 alternative.