Josh Funk

AP Business Writer

In this July 31, 2018, file photo, a Union Pacific train travels through Union, Neb. Union Pacific and its labor unions are suing each other to determine whether the railroad has the authority to require its employees to get vaccinated against the coronavirus.

Union Pacific and its Unions Sue Each Other Over Vaccine

The railroad is requiring its employees to be vaccinated by early December.

In this Nov. 27, 2020 file photo, a Canadian National rail worker stands on an idle locomotive as protesters opposed to the Trans Mountain pipeline expansion block rail lines in Burnaby, British Columbia. After walking away from its effort to buy Kansas City Southern railroad earlier this month, Canadian National continues to face investor pressure to make changes in its operation. The London-based investment firm TCI Fund — which owns about 5% of CN’s stock — is pressing for CN to overhaul its board, get a new CEO and improve its own operations.

Canadian National Says Investor's Shakeup Drive 'Misguided'

Canadian National says TCI hasn't offered many details of its plan to improve the railroad.

In this May 23, 2012 photo, surveyors work next to Canadian Pacific Rail trains which are parked on the train tracks in Toronto.

Canadian Pacific-Kansas City Southern Deal Back on Track

Canadian National dropped out of the bidding war Wednesday.

In this May 13, 2021, file photo, a man walks into Central Station next to Canadian National headquarters in Montreal. Canadian National’s $33.6 billion deal to acquire Kansas City Southern railroad is in jeopardy after federal regulators rejected a key part of the plan Tuesday, Aug. 31, 2021 and opened the door for a competing $31 billion offer from Canadian Pacific railroad.

Kansas City Southern Suitor's Bid in Jeopardy After Ruling

It wasn’t immediately clear whether Kansas City Southern will still want to move forward with the deal.

In this May 13, 2021, file photo, a man walks into Central Station next to Canadian National headquarters in Montreal. Kansas City Southern railroad is trying to keep its $33.6 billion merger with Canadian National on track by rejecting a competing $31 billion bid from rival Canadian Pacific earlier this week. Kansas City Southern said Thursday, Aug. 12, 2021, that its board unanimously decided to continue backing Canadian National's higher offer.

Kansas City Southern Delays Vote on $33.6B Rail Takeover Bid

Regulators haven’t yet ruled on a key part of the acquisition plan.

In this May 13 photo, a Canadian National locomotive passes by freight containers at the Canadian National Taschereau yard in Montreal.

CN Addresses Concerns Over $34B Railway Deal

Canadian National's CEO believes selling 70 of the 27,000 miles of track the two railroads own will help it get regulatory approval for the deal.

A man walks into Central Station next to Canadian National headquarters in Montreal on Nov. 26, 2019.

CN Says It's Still Committed to $33.6B Railroad Acquisition

It would be the first major railroad merger in more than 20 years.

A Canadian National locomotive passes by freight containers at the Canadian National Taschereau yard in Montreal, Saturday, Nov. 28, 2009. Canadian National sweetened its offer to buy Kansas City Southern railroad Thursday, May 13, 2021, and derailed rival Canadian Pacific’s bid for the railroad that handles traffic in the United States and Mexico.

Regulators Deal Blow to Proposed Rail Deal

The STB has said it will review any deal involving Kansas City Southern carefully to determine if it would enhance competition and serve the public interest.

In this April 2, 2021, file photo train consists are formed at Norfolk and Southern Railroad's Conway Yard in Conway, Pa. Even as railroads are operating longer and longer freight trains that can stretch for two miles or more, the companies have drastically reduced staffing levels, prompting unions to warn that moves meant to increase profits could endanger safety and even result in disasters.

Rail Industry Defends Safety Record Amid Staffing Cuts

More than 22% of the jobs at railroads Union Pacific, CSX and Norfolk Southern have been eliminated since 2017.

A Canadian National locomotive goes through the Canadian National Taschereau yard in Montreal, Saturday, Nov. 28, 2009. Canadian National sweetened its offer to buy Kansas City Southern railroad Thursday, May 13, 2021, and derailed rival Canadian Pacific’s bid for the railroad that handles traffic in the United States and Mexico.

Canadian National Ups Offer for Kansas City Southern

Kansas City Southern has been holding talks with two Canadian suitors since last month.

Kansas City Southern in Talks With 2 Railway Bidders

Both proposals are designed to capitalize on expanding trade between the United States, Canada and Mexico under the new trade pact signed last year.

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Canadian Pacific Attacks Rival Bid for Kansas City Southern

Canadian Pacific urged the Surface Transportation Board to closely examine Canadian National's offer for the railroad.