A tightening market for truck capacity and longer transit times for rail shipments are putting pressure on logistics companies to help shippers manage the movement of goods and to offset the rising cost of transportation.

Fast-growing domestic intermodal reached a milestone in the third quarter by exceeding international intermodal cargo for the first time on a seasonally adjusted basis, the Intermodal Association of North America reported last week.

Southern California port truckers, crippled by extensive delays, intend to seek the first-ever federal hours-of-service rule waiver for the sector in a bid to free up clogged cargo at the two largest U.S. ports.

Shippers are asking carriers and logistics companies to handle their entire books of freight, with truckload, less-than-truckload, intermodal and parcel deliveries in the mix, transportation software makers said.

Diesel’s national average pump price continued to drop last week, falling 1.2 cents to $3.623 a gallon, while retail gasoline slid below the $3 mark for the first time in almost four years, the Department of Energy reported.