Scale and Scope of Safety Assessment Methods in the Project Development Process
Worksheet 1A - General Information and Input Data for Rural Two-Lane Two-Way Roadway Segments
Worksheet containing following information.
General Information:
- Analyst: Analyst Name
- Agency or Company:
- Date Performed:
Location Information:
- Roadway: Example two-lane rural highway
- Roadway Section: Example Segment
- Jurisdiction: Anywhere, USA
- Analysis Year: 2015
Input Data: Base Conditions / Site Conditions
- Length of segment, L (mi): - / 20
- AADT (veh/day): AADTMAX = 17,800(veh/day) / 10,000
- Lane width (ft): 12 / 11
- Shoulder width (ft): 6 / Right Shld: 0 Left Shld: 0
- Shoulder type: Paved / Right Shld: Paved, Left Shld: Paved
- Length of horizontal curve (mi): 0 / 0.000
- Radius of curvature (ft): 0 / 0
- Spiral transition curve (present/not present): Not Present / Not Present
- Superelevation variance (ft/ft): < 0.01 / 0
- Grade (%): 0 / 0
- Driveway density (driveways/mile): 5 / 5
- Centerline rumble strips (present/not present): Not Present / Not Present
- Passing lanes [present (1 lane) / present (2 lane) / not present]: Not Present / Not Present
- Two-way left-turn lane (present/not present): Not Present / Not Present
- Roadside hazard rating (1-7 scale): 3 / 3
- Segment lighting (present/not present): Not Present / Not Present
- Auto speed enforcement (present/not present): Not Present / Not Present
- Calibration Factor Cr: 1 / 1.00
The lane width of 11 ft. is highlighted for emphasis. Note: AADT = annual average daily traffic, TTI = Texas Transportation Institute.
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