Building a Freeway

Imagine the Loop 202 South Mountain Freeway without any designs on its bridges, ramps and sound walls? What drawings and colors would you use? What plants would line the roadway? This activity makes you the designer.

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

Ever wonder what it takes to move one million cubic yards of rock and dirt?

Watch today’s video and you may never look at pavement markings in the same way ever again!

Here we are, blogging about pavement … again! When we told you there’s a lot to learn on the subject, we weren’t joking ...

ADOT Construction Manual. We were perusing the ADOT Construction Manual just recently and we came across a passage that terrifically sums up ADOT’s Project Development Process.

As you can see in the video above, girders are the concrete and steel beams that enable the bridge to support the roadway and the vehicles on top of it. They’re vital to the design of a bridge, but not all girders are the same…

You probably don’t think much about drainage when you’re driving, but a well-designed drainage system can increase the lifespan of a highway and help keep the public safe. We’ll blog about how these systems are designed and maintained soon, but today we just want to give you a quick glimpse of the types of drainage solutions used on a project like the Loop 303/I-10 interchange.

Placing Portland Cement Concrete Pavement (PCCP) is one of the final steps involved when building a road, but it’s far from an afterthought…

When you’re building bridges, there’s more than one way to get the job done... We told you a few months ago about a method that utilizes false work and sand jacks. Today, we’re going to fill you in on a different approach … the key terms to remember are soffit fills and waste slabs.