## Traffic_Engineers

id | name | years_of_experience
--- | --- | ---
1 | John | 20
2 | Anna | 30
3 | James | 25
4 | Emma | 28
5 | Michael | 27

## Tools

tool_id | tool_name | type
--- | --- | ---
1 | Software_Modeling | software
2 | Road_Simulation | hardware
3 | Vehicle_Tracking | hardware
4 | Accident_Analysis | software
5 | Signal_Optimization | software

## Traffic_Engineers_Tools

engineer_id | tool_id
--- | ---
(→ Traffic_Engineers.id) | (→ Tools.tool_id)
1 | 1
1 | 2
2 | 1
2 | 3
3 | 1
3 | 2
4 | 2
4 | 5
5 | 3
5 | 4
4 | 1
5 | 1