Project: Interstate 81 (PA)
Summary
Interstate 81 (I-81) is an 855-mile interstate highway with a general North-South orientation, traversing six states from Tennessee to New York. Within Pennsylvania, I-81, also known as the American Legion Memorial Highway, traverses the eastern half of the state.
Characteristics and Setting
Classification/Type
New Highway/Freeway
Transportation Mode
Highway
Usage
39,720
Length (mi)
234.00
Economic Distress
1.10
Population Density (ppl/sq mi)
282
Population Growth Rate (%)
0.3%
Employment Growth Rate (%)
1.2%
Market Size
213,213
Airport Travel Distance (mi)
31.8307
Topography
16
Geography
Region
New England/Mid-Atlantic
State
PA
County
Cumberland, Dauphin, Franklin, Lackawana, Lebanon, Luzerne, Schuylkill, Susquehanna
City
Connects Harrisburg to Wilkes-Barre/Scranton
Urban/Class Level
Mixed
Local Area
N/A
Impact Area
N/A
Transportation System
None
Timing
Initial Study Date
N/A
Post Construction Study Date
2002
Construction Start Date
1957
Construction End Date
1969
Months Duration
N/A
Costs
Project Year of Expenditure (YOE)
N/A
Planned Cost (YOE $)
N/A
Actual Cost (YOE $)
$442,950,000
Actual Cost (2022$)
$6,394,506,800
Pre/Post Conditions
NOTE: All pre/post dollar values are in 2022$
Transportation
| Measure | Pre project | Post project | Change | % Change |
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Impacts
NOTE: All impact dollar values are in 2022$
| Measure | Total |
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