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.

CSX Corp. reported second-quarter net income rose 1.5% to $529 million, or 53 cents per share, helped by revenue increases in the intermodal, chemicals and agricultural products freight.

U.S. rail intermodal traffic increased 10.5% in the week ended July 5 compared with the same week last year, the Association of American Railroads reported.

Chassis-reservation website Chassisfinder.com said it has developed the first app to allow truck drivers and logistics companies to find and reserve chassis.