Iowa Interstate 516 North rolls through Sparland, Illinois during a fantastic April Fools Day Chase, brought to this photographer and others by Erik Rasmussen, secretary treasurer of the Quad City... (more)

An Iowa Interstate crew begins to double its train out of Limit Yard on the North side of Peoria, as it passes the old waterworks building on April 1st, 2015. Steve Smedley photo

Iowa 516, the new 30th anniversary unit, sits in Blue Island on the IHB with BISW.

The Iowa's new 30th anniversary unit sits in Burr Oak yard waiting for a crew to take BICB west. 3rd out is the Rock Island heritage unit.

IAIS 516 roll's past the old Rock Island depot just after the midnight hour!!!!

The 516 runs east outside of Oakland,Ia past the many windmills in the area.

IAIS 516 pull's up slowly and pauses for a picture after the dispatcher said there are couple railfan's waiting at the parking lot wanting to take a picture. Thank you to the crew!!! The plan wa... (more)

Iowa Interstate is a 30th anniversary paint job pared with IAIS 513 a true Rock Island heritage unit. Passing a Iowa City landmark a true RI Depot.

On only its second day of revenue service. IAIS 516, the 30th anniversary unit shoves BISW into the west end of Blue Island yard.

Iowa 516 is looking good as it shoves BISW into IHB's Blue Island Yard.

Iowa Interstate's new heritage unit, #516, basks in the afternoon sunlight in Blue Island, waiting to shove the BISW train into IHB's Blue Island Yard.

IAIS 516 makes it's first revenue run across the old Rock Island line with the CBBI train with IAIS 513 in tow at Peru, IL

New Kid On The Block IAIS 516 makes it's first revenue run with the CBBI train with IAIS 513 in tow at West Liberty, IA.

Iowa Interstate's 30th Anniversary ES44AC 516 makes its first revenue run with Iowa Interstate's Rock Island Heritage ES44AC 513 on the "east" train at 44th Street.

Iowa Interstate's 30th Anniversary ES44AC basks in the morning winter sunlight at CP's West Davenport Yard prior to being delivered to the IAIS later in the morning.