Truck Dispatcher Geographical Knowledge 4 — Questions and Answers
Question 1: A dispatcher routes a hazmat load through Denver, CO. Which mountain tunnel on I-70 westbound requires special hazmat procedures?
- Eisenhower-Johnson Memorial Tunnel (Correct answer)
- Hanging Lake Tunnel
- Glenwood Canyon
- Floyd Hill
Correct answer: Eisenhower-Johnson Memorial Tunnel
The Eisenhower-Johnson Memorial Tunnel on I-70 restricts or reroutes certain hazmat classes and is the highest point on the U.S. interstate system.
Question 2: Which port city on the Gulf Coast is one of the top U.S. ports for import/export freight by tonnage?
- Houston, TX (Correct answer)
- Mobile, AL
- Pensacola, FL
- Corpus Christi, TX
Correct answer: Houston, TX
The Port of Houston consistently ranks as one of the top U.S. ports by total cargo tonnage, especially for petroleum and chemical products.
Question 3: The I-81 corridor through Virginia and Pennsylvania is known as a major truck route because it:
- Parallels I-95 and offers an alternative avoiding East Coast congestion (Correct answer)
- Is the flattest route through the Appalachians
- Connects all major northeastern ports directly
- Has no weight restrictions for commercial vehicles
Correct answer: Parallels I-95 and offers an alternative avoiding East Coast congestion
I-81 carries enormous truck traffic as shippers use it to bypass the congested I-95 megalopolis corridor.
Question 4: Which U.S. state has the most interstate highway miles?
- Texas (Correct answer)
- California
- Florida
- New York
Correct answer: Texas
Texas has more total interstate highway miles than any other state due to its enormous geographic size.
Question 5: A load is traveling from Atlanta, GA to New Orleans, LA. Which interstate provides the most direct route?
- I-20 (Correct answer)
- I-10
- I-59
- I-85
Correct answer: I-20
I-20 runs west from Atlanta through Alabama and Mississippi, connecting directly to I-10 near the Louisiana border into New Orleans.
Question 6: The Midwest's 'Triangle' of freight movement generally refers to the high-volume lanes between:
- Chicago, Detroit, and Cleveland (Correct answer)
- St. Louis, Kansas City, and Minneapolis
- Cincinnati, Columbus, and Indianapolis
- Milwaukee, Green Bay, and Chicago
Correct answer: Chicago, Detroit, and Cleveland
The Chicago-Detroit-Cleveland triangle is one of the densest manufacturing and freight corridors in North America.
Question 7: Which geographic feature makes routing trucks through western Tennessee straightforward compared to eastern Tennessee?
- Western Tennessee is flat Mississippi River lowland versus eastern Tennessee's mountainous terrain (Correct answer)
- Western Tennessee has more truck stops and fuel stations
- Eastern Tennessee has lower bridge weight limits
- Western Tennessee has wider lane widths on interstates
Correct answer: Western Tennessee is flat Mississippi River lowland versus eastern Tennessee's mountainous terrain
Western Tennessee is flat Delta and lowland terrain, while eastern Tennessee sits in the Appalachian Mountains creating grade and routing challenges.
A dispatcher routes a hazmat load through Denver, CO.
Which mountain tunnel on I-70 westbound requires special hazmat procedures?