WASHINGTON, April 11 (Reuters) - The National Highway

Traffic Safety Administration said Thursday it is investigating

a March 3 fatal crash between a Ford Mustang Mach-E and

two stationary cars in Philadelphia in which an advanced driver

assistance system could have been in use.

This is the second recent crash under investigation by the

auto safety regulator and the National Transportation Safety

Board in which a driver assistance system could have been

involved in a fatal crash of a Ford vehicle.