Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Why are there two sets traffic signals at light rail crossings?

April 26, 2017crossings light rail signals Traffic

0

10 Posted

Why are there two sets traffic signals at light rail crossings?

1 Answer

0

10 Posted

These “pre-signals” are safety devices intended to keep the railroad tracks clear of stopped vehicles.