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WASHINGTON — Negotiations between the White House and Republican senators over President Joe Biden’s $2.25 trillion infrastructure plan are reaching a crucial stage before more talks May 21 after the latest offer from GOP lawmakers left some dismay in the administration that there wasn’t more movement from their initial $568 billion proposal.

The expected increase in commercial drone operations such as delivery flights is prompting accident investigators to expand the types of aviation crashes they plan to review.

The Federal Motor Carrier Safety Administration’s Medical Review Board put its stamp of approval on a proposed plan for the agency to eliminate its exemption process for truck drivers with vision in only one eye.

The nationwide lockdowns brought on by the pandemic cleared the roads of many passenger vehicles and helped truckers keep goods moving. However, as passenger cars gradually return, industry experts are considering how those pandemic-era roads affected safety and how drivers will respond once they start getting crowded again.

The leaders of the congressional tax-writing committees remain divided over how to fund comprehensive infrastructure policy legislation that President Joe Biden would prefer to enact this year.

Legislation that would authorize $400 billion over five years for surface transportation programs was unveiled by Republican policymakers in the U.S. House of Representatives May 19.

Linda Zhang, chief engineer of Ford Motor Co.’s new electric F-150 pickup, steers a 3-ton rig onto a test track at the automaker’s suburban Detroit proving grounds and mashes the accelerator.

Canadian Pacific Railway Ltd. declined to increase its offer for Kansas City Southern and urged the U.S. railroad instead to reject Canadian National Railway Co.’s higher bid because of regulatory risks.

Applications for U.S. state unemployment insurance fell last week to a fresh pandemic low, signaling steady improvement in the job market as remaining business restrictions are lifted.

The Texas Senate has unanimously approved a House bill that would help curb the growing trend of lawsuit abuse targeting commercial vehicles in Texas.