A ruling was issued Wednesday banning commercial truckers from using handheld phones while driving.
ATA wants agency to withdraw proposal to regulate the loading and unloading of hazardous materials to conduct needed research.
The Pipeline and Hazardous Materials Safety Administration has proposed to restrict the use of all handheld mobile telephones.
Comment will be accepted until April 29 period for a proposed rule to prohibit stopping on a highway-rail grade crossing.
Proposed rule would require additional training for employees and new safety requirements for motor carriers and facilities.
Also, motor carriers are prohibited from requiring or allowing drivers of covered motor vehicles to engage in texting while driving.
Special permits allow a company to ship a hazardous material in a manner that varies from the regulations.
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