Evaluation of Alternatives
Alternative 1
Realign to the East,
Curved Structure
(the Preferred Alternative)
- Accommodates higher design speed of 80km/h
- Lowest construction cost
- Minor impacts on areas with archaeological potential
- Requires smallest amount of additional property
- No anticipated impacts on the natural environment
Alternative 2
Realigned to the West
(not preferred)
- Highest construction cost and a vertical clearance with Ramp N-E, but can accommodate 80km/h design speed
- Significant potential impacts on 3 commercial properties on area designated as High Potential Environmental Concern for Contamination
- No anticipated impacts on the natural or cultural environment
Alternative 4
Realigned to the East, Tangent at Structure
(not preferred)
- Reasonable construction cost
- Lowest design speed
- Moderate additional property requirements
- Potential impact on 2 residential properties and 1 commercial property
- Minor impact on areas with archaeological potential
- No anticipated impact on the natural environment
