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2016's worst red-light runners 1:36

2016's worst red-light runners

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Watch aggressive wild turkey take on traffic in Sacramento neighborhood

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Art-wrapped light rail cars are on track in Sacramento

Fuel tanker engulfed in flames after head-on crash 0:37

Fuel tanker engulfed in flames after head-on crash

This road project in Plymouth is part of a new statewide highway trend 1:12

This road project in Plymouth is part of a new statewide highway trend

Watch the California Office of Traffic Safety's controversial marijuana PSA 0:31

Watch the California Office of Traffic Safety's controversial marijuana PSA

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See how the new train safety system works

Cyclists say bridge closure makes it more dangerous to ride 1:57

Cyclists say bridge closure makes it more dangerous to ride

How California measures ‘road smoothness’ and why it matters 1:08

How California measures ‘road smoothness’ and why it matters

Flying over the Jibboom Street Bridge 0:35

Flying over the Jibboom Street Bridge

A simulator in Union Pacific's Roseville yard demonstrates how a new GPS system called Positive Train Control will help engineers avoid crashes. Tony Bizjak The Sacramento Bee
A simulator in Union Pacific's Roseville yard demonstrates how a new GPS system called Positive Train Control will help engineers avoid crashes. Tony Bizjak The Sacramento Bee

New GPS technology will help keep trains from crashing. Why is it taking so long to arrive?

March 06, 2017 04:00 AM

More Videos

2016's worst red-light runners 1:36

2016's worst red-light runners

Watch aggressive wild turkey take on traffic in Sacramento neighborhood 1:34

Watch aggressive wild turkey take on traffic in Sacramento neighborhood

Art-wrapped light rail cars are on track in Sacramento 1:13

Art-wrapped light rail cars are on track in Sacramento

Fuel tanker engulfed in flames after head-on crash 0:37

Fuel tanker engulfed in flames after head-on crash

This road project in Plymouth is part of a new statewide highway trend 1:12

This road project in Plymouth is part of a new statewide highway trend

Watch the California Office of Traffic Safety's controversial marijuana PSA 0:31

Watch the California Office of Traffic Safety's controversial marijuana PSA

See how the new train safety system works 1:53

See how the new train safety system works

Cyclists say bridge closure makes it more dangerous to ride 1:57

Cyclists say bridge closure makes it more dangerous to ride

How California measures ‘road smoothness’ and why it matters 1:08

How California measures ‘road smoothness’ and why it matters

Flying over the Jibboom Street Bridge 0:35

Flying over the Jibboom Street Bridge