Here are the questions from when I hosted. Note that these are somewhat harder than the norm.
1. ODDITIES.
This state has more than 15 separate splits of U.S. Highways into business and bypass routes with no mainline.
2. SOUTH CAROLINA.
Before the construction of I-95, this alternate route was part of the shortest chain of U.S. Highways from Savannah to Florence.
3. OHIO.
Although the Pikes Peak Ocean to Ocean Highway originally followed the National Road through Columbus, it was moved north in the early 1920s to bypass the city. The new route is now mostly this U.S. Highway.
4. MICHIGAN.
US 223 was originally part of this longer route.
5. KANSAS-MISSOURI.
Trfwy stands for this.
6. VIRGINIA.
In December 2010, the Commonwealth Railway began operating a new 5-mile mainline, including 3 miles in the median of this highway.
7. DAKOTAS.
These three highway numbers exist in or near the capitals of both Dakotas. (not a multi-part question)
8. DUMB QUESTIONS: RHODE ISLAND.
The US 6 freeway that bypasses Hartford Avenue in Providence, RI was once signed as this, in addition to RI 195.
9. CANADA.
Name the three provinces that copied the U.S. Highway shield shape. (not a multi-part question)
10. YELLOWSTONE FREEWAYS.
As the crow flies, this is the nearest freeway to Yellowstone.
11. CALIFORNIA.
List the two state routes that replaced about 85% of US 40 Alternate.
12. LOUISIANA.
This state highway parallels I-49 north of Alexandria.
13. MISSISSIPPI.
The northeasternmost point on the Appalachian Development Highway System is at NY 17 and I-81 in Binghamton, NY; the southwesternmost is where this U.S. Highway meets I-55 in northern Mississippi.
14. TOLL ROADS: ILLINOIS.
This is the only state route in Illinois to follow the entire length of a tollway.
15. TOLL ROADS.
This was the world's first fully automated toll road, opened in 1995.
16. SOUTHWEST.
The majority of former US 666 is now this route.
17. ODDITIES.
Southbound drivers on one block of Huntington Avenue in Newport News, VA are simultaneously following both directions of this route.
18. UNITED STATES.
Three-digit Interstate A is cosigned with two-digit U.S. Route B. U.S. Route A ends at a former alignment of Interstate B. What are A and B?
19. TOLL ROADS.
Not counting tolled express lanes, these are the only two tolled freeways in the U.S. that cross without any sort of interchange (though two ramps are scheduled to open by 2015).
20. ALABAMA.
This state highway connects I-65 to US 29 en route to Pensacola.
21. KENTUCKY.
The US 62-68 bypass northwest of Maysville originally had this state highway number.
22. CONNECTICUT-MASSACHUSETTS.
I-395 replaced Route 52, but mostly parallels this surface route.
23. VIRGINIA.
In 1923, Virginia added this number to its single-digit state routes; only the pre-1923 SR 5 continues to have its post-1923 designation.
24. MISSOURI.
If US 66 had remained 60, 60 would have been this.
25. UNITED STATES.
4 is the lowest number carried by both a current Interstate and a current U.S. Route. What is the highest?
26. TOLL ROADS.
In 1795, these two cities were connected by one of America's first turnpikes, which charged tolls until 1917.
27. WASHINGTON, D.C.
This unnumbered freeway could be I-366, but the speed limit is only 30 mph.
28. DUMB QUESTIONS.
The Ak-Sar-Ben Bridge carried US 6 between Iowa and this state.
29. WISCONSIN.
US 110 was replaced by a state route of the same number in the 1930s. Since then, the construction of this parallel freeway has resulted in the state giving most of former US 110 to Winnebago County.
30. UTAH-NEVADA.
These two routes connect at the state line next to the First Transcontinental Railroad.
31. TOLL ROADS.
Part of the grading for the Chicago-New York Electric Air Line Railroad was destroyed by the construction of this toll road.
32. FLORIDA.
The county containing this city was the only one to gain state highway mileage in the decade following 1977.
33. MARYLAND.
This is the only route number less than 37 that is not used on any class of highway in Maryland.
34. PENNSYLVANIA.
This northbound-only freeway was consturcted to elimitante the truck trarffic downhill into Ridgway.
35. TOLL ROADS.
When the JFK Highway opened in 1963, one could drive from US 1 south of Baltimore to the Manhattan end of this Hudson River crossing without leaving a toll-supported freeway.
36. GEORGIA.
Atlanta's Northern Arc is part of this Appalachian Development Highway System corridor.
37. TOLL ROADS.
This road switched to one-way tolling at most of its 11 barrier tolls in about 2005.
38. TEXAS.
State Highway 9 was eliminated once this parallel Interstate was constructed.
39. ARKANSAS.
Two short freeways meet at a diamond interchange in this city.
40. DUMB QUESTIONS: NEW YORK.
This New York state bike route parallels I-86.
41. ARIZONA.
When US 89 south of Flagstaff became State Route 89 in the early 1990s, this route was extended slightly.
42. NUNAVUT. CLOSEST GUESS.
How many kilometers of numbered highway currently exist in Nunavut?
43. ODDITIES.
A two-lane Interstate runs north-south along the eastern edge of this national park.
44. ODDITIES.
This is the only even-numbered U.S. Route that ends within several blocks of both international borders.
45. ASS HARD QUESTIONS: PENNSYLVANIA. FREE-FOR-ALL.
Garrett Shortcut Road has this route number.
46. ASS HARD QUESTIONS: NEBRASKA. FREE-FOR-ALL.
This route is also known as the Naper Spur.
47. UNITED STATES. MULTI-PART.
These two-digit numbers have never been used on a signed U.S. Highway.
48. UNITED STATES. MULTI-PART.
These states have four-digit state highways that are signed in the same manner as one- to three-digit routes.
1. ODDITIES. North Carolina
2. SOUTH CAROLINA. US 17 Alternate
3. OHIO. US 36
4. MICHIGAN. US 127
5. KANSAS-MISSOURI. Trafficway
6. VIRGINIA. State Route 164
7. DAKOTAS. 83 1804 1806
8. DUMB QUESTIONS: RHODE ISLAND. US 6 Bypass
9. CANADA. New Brunswick, Nova Scotia, Prince Edward Island
10. YELLOWSTONE FREEWAYS. US 20
11. CALIFORNIA. 70 113
12. LOUISIANA. LA 1
13. MISSISSIPPI. US 278
14. TOLL ROADS: ILLINOIS. 110
15. TOLL ROADS. 91 Express Lanes
16. SOUTHWEST. US 191
17. ODDITIES. US 60
18. UNITED STATES. 129 and 75
19. TOLL ROADS. Florida's Turnpike and SR 417
20. ALABAMA. SR 113
21. KENTUCKY. KY 3071
22. CONNECTICUT-MASSACHUSETTS. Route 12
23. VIRGINIA. 30
24. MISSOURI. 62
25. UNITED STATES. 395
26. TOLL ROADS. Philadelphia Lancaster
27. WASHINGTON, D.C. E Street Expressway
28. DUMB QUESTIONS. Nebraska
29. WISCONSIN. US 45
30. UTAH-NEVADA. UT 30/NV 233
31. TOLL ROADS. Indiana Toll Road
32. FLORIDA. Miami
33. MARYLAND. 9
34. PENNSYLVANIA. US 219 Truck
35. TOLL ROADS. Lincoln Tunnel
36. GEORGIA. A
37. TOLL ROADS. Garden State Parkway
38. TEXAS. I-37
39. ARKANSAS. El Dorado
40. DUMB QUESTIONS: NEW YORK. 17
41. ARIZONA. US 93
42. NUNAVUT. CLOSEST GUESS. 0
43. ODDITIES. Denali
44. ODDITIES. US 62
45. ASS HARD QUESTIONS: PENNSYLVANIA. FREE-FOR-ALL. SR 2031
46. ASS HARD QUESTIONS: NEBRASKA. FREE-FOR-ALL. S-8A
47. UNITED STATES. MULTI-PART. 37 39 47 86 88
48. UNITED STATES. MULTI-PART. Florida Hawaii Kentucky Louisiana New Mexico North Dakota South Dakota Texas Virginia