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 3: Why isn't the highway straight?
Activity Answer Sheets
Why isn’t the road straight? Multiple choice worksheet
1. A transportation network consists of:
___ railroads
___ airplanes and boats
___ cars
_X_ all of the above
2. How many roadway miles are in Iowa?
___ 10,000
___ 80,000
___ 100,000
_X_ 112,904
3. What design factors must be considered
when designing
highways?
___ cost
___ endangered plants and animals
___ wetlands
_X_ all of the above
4. An archaeologist is a scientist who studies:
_X_ past human life and activities
___ how buildings are built
___ how roads are built
___ prehistoric animals
5. Wetlands are areas containing:
____ cactus
_X_ standing water
___ too little water
___ swimming pools
Why isn't the road straight? True or false worksheet
| TRUE |
FALSE |
QUESTION |
| X |
|
1. Interstate highways are the largest and longest highways in the United States. |
| X |
|
2. The Iowa Department of Transportation works with many groups to decide where it should build new highways. |
|
|
X |
3. Highways always go in a straight line. |
|
|
X |
4. Topography is not considered when planning a highway design. |
| X |
|
5. A highway bypass is used to direct high-speed traffic around a town. |
| X |
|
6. Mitigation is a process that creates new wetlands. |
|
|
X |
7. Gravel roads are only found along rivers. |
|
|
X |
8. Cities take care of snow removal on Iowa’s interstate highways. |
|
|
X |
9. Paved roads must have fresh gravel placed on them. |
Unscramble these four jumbles, one letter
to each blank line to
form the word.
S O P V S E A R
ANSWER: OVERPASS
W E T O K A R H R
ANSWER: EARTHWORK
I W H A G Y H
ANSWER: HIGHWAY
B S Y P S A
ANSWER: BYPASS
