Rocks and Roads

Iowa DOT's policy is to be
sensitive to the environment
and foster and enhance
environmental stewardship.

IOWA DEPARTMENT OF TRANSPORTATION

Presents

ROCKS AND ROADS

Unit 1: Geology of Iowa

Unit 2: What materials are used in road construction?

Unit 3: Why isn't the highway straight?

Unit 4: Road Design 101 How are highways designed?

Resources

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Ames, IA 50010
Telephone: 515-239-1101
Fax: 515-239-1639
E-mail: jerry.dickinson@dot.state.ia.us

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The Rocks and Roads materials were used with students in:

third grade
fourth grade
fifth grade
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Unit 1
Unit 2
Unit 3
Unit 4

On a scale of 1 to 4, rate the materials on their level of contribution to increasing knowledge of the environment and road building:

1 = very valuable 2 = meets expectations 3 = not valuable
4 = did not use

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