The first of a two-part series exploring how the U.S. built the Interstate Highway system, including how much it cost and how it would have been financed, with the first installment of this article on the first segment, the Interstate Bridge.

(Part 1 and Part 2 are available in the video above.)

First, here’s how the Interstate highway system was laid out in the early 20th century: The interstate system would have connected all 50 states in one way or another.

Interstate highways were built across the U, and many would have run through each state.

The Interstate System was a network of many interconnected interstate highways, each with its own routes and routes of its own.

Interstate roads were often referred to as “roads of the U.”

The system was designed to provide for the needs of travelers and commuters in the same way the United States built the railroads.

The interstate highway system required that each state be able to create its own system of roads, and each state could create its share of its share, so that they would have a common highway system.

For example, a state might have four highways: Interstate, I-405, I, I and I-75.

Other states might have a different share.

But the Interstate system was an integral part of the overall system.

For example, some states would have one interstate highway, while others might have more than one.

The highway network was often referred, as the Interstate System, to this as the “state highway system.”

In other words, each state was assigned a highway and a number of lanes for it to use, so each state had a highway network that it could build its own route through, but would also have access to the interstate highway network.

States also had to make sure that they had enough room to build and maintain the highways, as well as to maintain the roads, so they could build a road system that could be built, maintained, and repaired on a regular basis.

The states also had an obligation to make repairs on their highways, so when a highway had to be replaced, the state would have to pay for the cost of replacing it.

States had to pay to build their highways.

The federal government had to take over and provide the federal funding, and then states had to get the money.

That was the system that we have today.

But some of the state systems would have their own highways, such as the interstate system.

Some states had their own system, but other states would build their own roads and their own lanes.

States could also have their share of their share, such a state having one highway system and having its share in the interstate network.

States also had the obligation to pay tolls, which was one of the main benefits of the Interstate Interstate System.

States were responsible for keeping the roads in good condition.

In many cases, they had to keep the roads as clean as possible.

Some highways were very busy.

Some had to do all kinds of work to keep traffic moving.

Some were built with a wide variety of roads.

These were the kind of highways that we know today.

So the Interstate was not a perfect system, and it wasn’t perfect in every case.

Some of the highways in the Interstate were not really highways at all.

For some of them, they were not even state highways at that time.

Some did not have enough room for the trucks to go through and through.

Some roads were not as wide as they needed to be.

Some roadways were too narrow.

Some crossings were not wide enough.

Some intersections were not narrow enough.

But these were the kinds of things that we would consider to be “improvements.”

The interstate system was not perfect, and some of its shortcomings were not unique to the Interstate.

Some state systems had their share and some states had none, so the system was a system of many interdependent highways, not just one highway.

But the Interstate could be an amazing system.

It was a great way to connect different parts of the country.

And it was a huge improvement over railroads, and the interstate highways were designed for the interstate movement of freight.

The highways had built-in redundancy.

For the interstate, the highways were just a big bridge over the sea of rails, not the ultimate, one-way highway that we call the interstate.

And the Interstate is a system that is not only good for people, but it’s a good system for commerce.

In fact, the interstate was designed with all kinds and degrees of advantages and disadvantages.

Some Interstate highways are built to carry freight and to carry traffic.

Some are not.

Some have more lanes than needed.

Some also have other benefits and disadvantages, like the highway network being too small.

But if you look at the Interstate as a whole, it is one of those systems that have had many successes and many failures.

The Federal Government has built over a million miles of highways in just the last 40 years

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