OMAHA, Neb. — The contract imposed on railroad workers last fall didn’t resolve their quality-of-life issues, but already this year there are indications the major freight railroads are starting to address some of their concerns.

Union Pacific says it will stop imposing temporary limits on certain businesses’ shipments while it reviews the policy that federal regulators and shippers criticized at a hearing in mid-December.

Federal regulators and shippers are questioning Union Pacific’s decision to temporarily limit some businesses’ shipments as part of its effort to clear up congestion across the railroad.

Railroad engineers accepted their deal with the railroads that will deliver 24% raises but conductors rejected the contract, casting more doubt on whether the industry will be able to resolve the labor dispute before December’s deadline.

The Environmental Protection Agency said Nov. 9 it will consider adopting stricter rules on locomotive emissions in response to concerns raised by California regulators.

A second railroad union rejected its deal with the major U.S. freight railroads on Oct. 26, reflecting workers’ increasing frustration with the lack of paid sick time in the industry and adding to concerns about the possibility of a strike next month that could cripple the economy.

CSX Corp. delivered 15% more profit in the third quarter as it handled 2% more freight and worked to eliminate the delays shippers have been complaining about for months.

OMAHA, Neb. — The U.S.’s third-largest railroad union rejected a deal with employers Oct. 10, renewing the possibility of a strike that could cripple the economy. Both sides will return to the bargaining table before that happens.

OMAHA, Neb. — A union that rejected its deal with the nation’s freight railroads earlier this month now has a new tentative agreement, but officials cautioned that the contract dispute won’t be fully settled until all 12 rail unions approve their agreements this fall.

OMAHA, Neb. — A last-minute deal prevented a railroad strike for now, but many rail workers remain unhappy with working conditions, including some who protested outside their workplaces Sept. 21 ahead of votes to approve the new contracts.