Swift Transportation Co. said net income slipped 19% to $40.2 million, hurt by weaker profit margins at its dedicated and refrigerated units.

Universal Truckload Services Inc. reported second-quarter net income declined to $13.6 million, or 45 cents per share, compared with $14.2 million, or  47 cents per share, a year ago.

Union Pacific Corp.’s second-quarter net income rose 17% to $1.29 billion, or $1.43 per share, continuing a trend of profit growth reported by other railroads.

New trailer orders jumped 44% in June from a year ago as high demand for new equipment continued into the summer, ACT Research reported.

Norfolk Southern Corp. said its second-quarter profit increased 21% and revenue rose 9%.

Canada’s two major freight railroads reported higher second-quarter earnings from a year ago, recovering from challenging winter conditions last quarter.

Forward Air Corp. increased net income to $17.2 million, Inc., a 24% improvement, helped by primarily increased freight volume.

Roadrunner Transportation Systems has acquired regional logistics firm Integrated Services for $13 million.

Hub Group Inc. said its second-quarter net income increased to $18.7 million, or 51 cents a share, from $18.6 million, or 50 cents, in the comparable period last year. Revenue rose 7% to $894 million.

U.S. rail intermodal traffic increased 3.2% in the week ended July 12 compared with the same week last year, the Association of American Railroads reported.