During the 1940s, the LAPD began alerting radio reporter Loyd Sigmon whenever a major automobile accident occurred on city streets. These notices became known as “SigAlerts,” and were later issued to alert all local media.

Why is it called a Sigalert?

During the 1940s, the LAPD began alerting radio reporter Loyd Sigmon whenever a major automobile accident occurred on city streets. These notices became known as “SigAlerts,” and were later issued to alert all local media.

What is a traffic Sigalert?

Today, a SigAlert is issued only when one or more lanes of traffic will be blocked for at least half an hour. The term has become so familiar…that it was added to the Oxford English Dictionary a few years ago. Thanks to Abhijeet Chavan. FULL STORY: Radio Broadcaster Put the ‘Sig’ in Traffic Alerts.

How much does sigalert cost?

Sigmon developed a specialized radio receiver and reel-to-reel tape recorder. When the receiver picked up a particular tone, it would record the subsequent bulletin. At the time, the device cost about $600 (equivalent to $5,600 in 2018).

How do you use Sigalert?

To access our traffic reports from other cell phones: Go to http://www.sigalert.com in your phone’s Web browser. When you visit us on your phone, we will automatically send you to our wireless site. If you visit us on your phone and get the main version of the site, please email [email protected].

Who invented Sig alert?

Loyd Sigmon
It comes from the last name of Loyd Sigmon, who invented the SigAlert in 1955.

Is the grapevine open?

The Grapevine is open in both directions. CHP is providing escorts to traffic through the area. Weather and roadway conditions still exist so we remind you to slow down, wear your seatbelt and prepare for extra time in your travels.

How often does SigAlert update?

every 5 minutes
Data Refresh: The data on the map will now automatically refresh itself every 5 minutes (assuming you are still looking at the map). If you want it to refresh sooner, just press the Refresh icon in the upper-right corner of the map and the data will refresh without you having to reload the entire page.

Is Sigalert app free?

Sigalert is a free app for iOs or Android devices which displays traffic conditions in the selected region, allowing the user to choose a less congested route to the destination.

How often does sigalert update?

Will my car make it over the Grapevine?

If the engine is running sluggish, driving through the Grapevine might be risky. As you climb hills, the engine will undergo much more stress – and existing problems can be amplified. However, that being said, as long as your engine is not overheating or struggling to run, it’s quite possible you’ll be OK.