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The differences between transportation inspectors and tunnel inspectors can be seen in a few details. Each job has different responsibilities and duties. It typically takes 1-2 years to become both a transportation inspector and a tunnel inspector. Additionally, a transportation inspector has an average salary of $47,468, which is higher than the $44,410 average annual salary of a tunnel inspector.
The top three skills for a transportation inspector include asphalt, ACI and OSHA. The most important skills for a tunnel inspector are construction management, TBM, and tunnel construction.
Transportation inspectors and tunnel inspectors have different pay scales, as shown below.
| Transportation Inspector | Tunnel Inspector | |
| Average salary | $47,468 | $44,410 |
| Salary range | Between $29,000 And $76,000 | Between $25,000 And $78,000 |
| Highest paying City | Newark, NJ | - |
| Highest paying state | New Jersey | - |
| Best paying company | CDM Smith | - |
| Best paying industry | - | - |
There are a few differences between a transportation inspector and a tunnel inspector in terms of educational background:
| Transportation Inspector | Tunnel Inspector | |
| Most common degree | Associate Degree, 35% | Bachelor's Degree, 82% |
| Most common major | Business | Civil Engineering |
| Most common college | - | - |
Here are the differences between transportation inspectors' and tunnel inspectors' demographics:
| Transportation Inspector | Tunnel Inspector | |
| Average age | 49 | 49 |
| Gender ratio | Male, 79.8% Female, 20.2% | Male, 97.3% Female, 2.7% |
| Race ratio | Black or African American, 12.9% Unknown, 7.5% Hispanic or Latino, 16.5% Asian, 7.7% White, 54.7% American Indian and Alaska Native, 0.7% | Black or African American, 11.8% Unknown, 7.2% Hispanic or Latino, 11.0% Asian, 6.0% White, 63.4% American Indian and Alaska Native, 0.6% |
| LGBT Percentage | 11% | 11% |