Table:
0
A
B
C
D
E
F
1
County
Location
Street Names
Milepost
Roads Intersected
Notes
2
Norfolk
Stoughton
Pleasant Street Turnpike Street Lindelof Avenue
3.0
Route 24
Route 24 Exit 20.
3
Norfolk
Weymouth
Anne Street
(no major junctions)
(no major junctions)
(no major junctions)
4
Plymouth
Rockland
North Avenue Plain Street Market Street
12.2
Route 123
Western terminus of Route 123/139 concurrency.
5
Plymouth
Rockland
North Avenue Plain Street Market Street
12.8
Route 123
Eastern terminus of Route 123/139 concurrency.
6
Plymouth
Hanover
Hanover Street Rockland Street Columbia Road
17.9
Route 53
Northern terminus of Route 53/139 concurrency.

Questions and formulas:
Question: How many mileposts are there on Anne Street?
Formula: SUMIFS(D1,C1,"Anne Street")
Formula2: SUMIFS(D2:D6,C2:C6,"Anne Street")
Level: easy
Question: Which street is 12.2 miles long?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=12.2),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,D2:D6=12.2),3))
Level: medium
Question: Where does Route 24 intersect?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Route 24"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,E2:E6="Route 24"),2))
Level: medium
Question: Where is milepost 12.8?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=12.8),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,D2:D6=12.8),2))
Level: medium