Building a Telford Road in Malang, East Java

Step 0: Start with an existing dirt road

Step 0: Start with an existing dirt road

Step 1: Clear grass and create flat road surface

Step 1: Clear grass and create flat road surface

Step 2: Materials arrive

Step 2: Materials arrive

Measuring materials

Measuring materials

A pile of (unsplit) rocks

A pile of (unsplit) rocks

After all deliveries

After all deliveries

Step 3: Split rocks (by hand!)

Step 3: Split rocks (by hand!)

Splitting rocks

Splitting rocks

Step 4: Install bottom sand layer

Step 4: Install bottom sand layer

Step 5: Install rocks

Step 5: Install rocks

Rocks are individually hammered into place

Rocks are individually hammered into place

Hammering many, many rocks

Hammering many, many rocks

Step 6: Spread the top gravel layer

Step 6: Spread the top gravel layer

Step 7: Compact using roller

Step 7: Compact using roller

The finishing touches

The finishing touches

Measuring the completed road

Measuring the completed road

 

bolken@nber.org
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