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The Department of Transportation said it is seeking to reduce common mistakes that result in nearly half of all human factor-caused train accidents.

SAN DIEGO — Mobile communications provider Qualcomm Inc. unveiled a host of upgrades and additions for its flagship OmniVision platform here, in-cluding wireless data roaming capabilities, in-cab document processing and support for third-party collision-avoidance systems.

Existing homes sales fell to the lowest level in nine years in January, the National Association of Realtors said Monday.

Kenan Advantage Group said it reached an agreement to purchase bulk hauler Transport Service Co. for an undisclosed sum.

The centerpiece of the Transportation Security Administration’s program to screen employees entering ports looks just like most access cards or identifications one would carry in his or her wallet.

Trucking software provider TMW Systems said 2007 was a record year for the company’s revenue, product releases, new customers and consecutive quarterly growth.

Citations issued by the California Air Resources Board for engine emission control labels that are missing or have been tampered with now carry penalties of as much as $800, the agency said.

The New York Supreme Court earlier this month upheld the constitutionality of the 2005 Graves Amendment, a federal law that eliminates vicarious liability nationwide.

Growth of the U.S. heavy-duty truck fleet decelerated in the fourth quarter, as freight carriers, led by large fleets, continued to put off buying new equipment in the face of a possible recession, according to truck registration data from market research firm R.L. Polk & Co.

Long Beach officials last week put finishing touches on a sweeping, unprecedented set of rules aimed at dramatically cutting emissions from the 17,000 drayage trucks working at the huge California container port, rejecting the plan’s most controversial feature that would have forced independent owner-operators to work for larger carriers.