ADOT Blog

Sometimes, you have to push something to its limit to find out how strong it is. At least, that’s the case when it comes to the steel, concrete and other construction materials under the purview of ADOT’s Structural Materials Testing team.

Last week, when we shared with you the long-term repair solution that has been proposed for US 89, we explained how experts studied the area for months and put together a comprehensive report that includes a major amount of geological data (seriously, the report is 463 pages).

If you are a Phoenix-area commuter who travels daily through the Deck Park Tunnel, you’re probably already aware that a produce truck spilled its contents yesterday afternoon as it headed westbound on I-10.

The geotechnical investigation on US 89 (you know – that one we’ve been blogging about since February) is complete and we’re thrilled to share news of the results.

ADOT has been able to utilize feedback and narrow the list of possible passenger rail alternatives from seven down to three.

No, the stair-step design on the slope at right isn’t just for looks… The “steps” are actually referred to as minibenches and they serve as an erosion and sediment control measure on slopes.

The results are in ... check the video above for a look at the top #HaboobHaikus from this year as voted on by the public!

We like to check in, from time to time, on the Loop 303 project… Over the past two years we’ve been able to see a 14-mile stretch of the freeway open to traffic, witness the start of construction on new segments and mark many, many milestones along the way.

The State Transportation Board voted yesterday to formally adopt the 2014-2018 Five-Year Transportation Facilities Construction Program.

Transportation planners and engineers have a lot to consider when designing or improving a roadway in Arizona. It’s not just about getting people from one place to the next – safety, planning priorities, community concerns, fiscal constraints all get taken into account (along with so many other factors).