Rail Crossing Warnings Are Sought for Mapping Apps

The National Transportation Safety Board asked tech companies to add the locations of grade crossings into digital maps and to provide alerts for drivers.The National Transportation Safety Board asked tech companies to add the locations of grade crossings into digital maps and to provide alerts for drivers. http://ift.tt/2hObPKu The New York Times The National Transportation Safety Board asked tech companies to add the locations of grade crossings into digital maps and to provide alerts for drivers. http://ift.tt/2hThwE8 The National Transportation Safety Board asked tech companies to add the locations of grade crossings into digital maps and to provide alerts for drivers.
By DAISUKE WAKABAYASHI from NYT Technology http://ift.tt/2hThwE8
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