Simplify the following text for a Grade 9 native English-speaking person.
Original: The L&B had an exemplary safety record , and no members of the public were killed or injured during its 37-year existence , although accidents at Braunton Road and Chumhill did claim the lives of three track workers .
Simplified: The L&B had a very good safety record , and no members of the public were killed or injured , although accidents at Braunton Road and Chumhill did take the lives of three workers .