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U.S. worker productivity jumped to an annual rate of 6.3% in the third quarter from 2.2% the previous quarter, the Labor Department said Wednesday.

WASHINGTON — The American Road and Transportation Builders Association said it would seek an exemption from federal hours-of-service rules for drivers in the construction industry, even as the group representing state enforcement officials said they would look to roll back the exemptions already in place.

Registration for truck drivers and other transportation workers to get the Transportation Workers Identification Credential, a biometric identification credential that will be required for unescorted access to secure areas at all U.S. ports.

A Senate panel postponed a hearing on truck driver hours-of-service rules that was scheduled for Wednesday.

Truckload carrier Landstar System will increase fourth-quarter revenue in the “mid-single-digit range,” Chief Executive Officer Henry Gerkens said in a conference call with investors, Bloomberg reported.

The Institute for Supply Management’s manufacturing index dipped slightly in November from October, ISM said Monday.

A winter storm blamed for at least 11 deaths in the Midwest wreaked havoc on Northeast roads Monday with a mix of rain, sleet and snow, the Associated Press reported.

Truck tonnage hauled in October declined 1.5% compared with the same month in 2006 — the 14th decline in 16 months — American Trucking Associations said.