We covered a lot of topics in 2015 and we thought it'd be fun to examine the top 10 things we learned last year.

We found a photograph in our archives that's an excellent throwback/reminder for travelers who are facing the winter storm.

ADOT works very closely with all of its project partners, including emergency responders, local governments and contractors.

Several projects that are underway or planned during 2016 will significantly upgrade US 60 from Superior to Globe.

If you have a question for ADOT, you have many choices when it comes to finding an answer.

Working with community, ADOT moves forward with new interchange in Surprise.

A collaborative effort to place DPS troopers at ADOT's Traffic Operations Center has helped to cut the time taken to clear crashes.

ADOT's Safety Calendar features original artwork submitted by child relatives of ADOT employees.

A little dog that made her way onto SR 51 during Monday evening’s rush hour and miraculously avoided being hit by traffic now has a good home in her future.

When Arizona’s latest winter storm hit Sunday evening, ADOT crews went into high gear.

A number of agencies, including ADOT’s Motor Vehicle Division, helped homeless and at-risk veterans during an annual event called the Maricopa County StandDown.

Out of 3.7 million vehicle registration renewals that were completed in Arizona during 2015, a whopping 60.2 percent of them – roughly 2.2 million – were handled online through ServiceArizona.com.

The zipper merge is being piloted by ADOT to reduce construction travel delays on I-10, east of Tucson.

Residents will have a more reliable link with Yuma County’s largest employer, Yuma Proving Ground, thanks to a 600-foot bridge ADOT is building across a flood-prone section of US 95.

Arizona Transportation History reports gives a look at the history of US 89.

There were 891 motor-vehicle crash fatalities on Arizona roadways in 2015, up from 773 in 2014. And impaired driving, speeding and failure to use seat belts,contributed to many of those deaths.

Engineers are kind of a big deal here at ADOT.

Check out our new video showing how crews place massive girders for the new Hell Canyon Bridge.

On Monday, ADOT surpassed 100,000 followers on Twitter! Take a look at some of our more memorable Tweets!

We’re still so excited about yesterday’s big news that we’re going to blog about the social media milestone for another day.