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The long-term effects of roadway lighting is an area of study that could benefit from further targeted research, experts presenting during a Transportation Research Board webinar said.

NEW ORLEANS — Louisiana residents still reeling from flooding and damage caused by Hurricane Ida scrambled Sept. 1 for food, gas, water and relief from the sweltering heat as thousands of line workers toiled to restore electricity and officials vowed to set up more sites where people could get free meals and cool off.

American Trucking Associations’ Technology & Maintenance Council’s Fall Meeting & Transportation Technology Exhibition will feature a trade show, a technician skills competition and a series of educational sessions.

DETROIT — The U.S. government’s highway safety agency wants detailed information on how Tesla’s Autopilot system detects and responds to emergency vehicles parked on highways.

Louisiana communities battered by Ida faced a new danger as they began the massive task of clearing debris and repairing damage from the storm: the possibility of weeks without power in the stifling, late-summer heat.

Although federal regulators are studying a possible change in the way motor carrier safety is measured, the Compliance Safety Accountability program is likely to remain in place, a trucking attorney told a group of industry executives.

Hurricane Ida forced Kansas City Southern to shut its main line in Louisiana and has halted exchanges between railroads in New Orleans, which may worsen delays in a U.S. shipping industry that already is stretched thin.

WASHINGTON — Hurricane Ida is sure to take a toll on the energy, chemical and shipping industries that have major hubs along the Gulf Coast. But the impact on the overall U.S. economy likely will be modest so long as damage estimates don’t rise sharply and refinery shutdowns are not prolonged, economists say.