Highway Expansion Land Compensation Alberta

By Ben Van Dyk
Posted Tuesday, Oct 20, 2026

Highway Expansion Land Compensation Alberta

Summary of how land taken for highway expansion is valued under Alberta's Expropriation Act

Legal Framework

Alberta's Expropriation Act (RSA 2000, c E-13) governs the process and principles that expropriating authorities — including Alberta Transportation and municipalities must follow. The expropriating authority's proposed payment must be based on a written appraisal, a copy of which must accompany the formal notification to the owner. The landowner is entitled to provide relevant information to assist that appraisal, which is the owner's opportunity to put their own comparables and context on record before an offer is finalized.

Components of Compensation

Compensation is not simply a per-acre price for the strip taken. Alberta case law and practice recognize several distinct components:

• Market value of the land taken based on comparable sales for the acreage physically expropriated

• Injurious affection damage to the value or usability of the remaining land (e.g., an awkward remnant parcel, lost access, disrupted drainage or irrigation)

• Severance damages compensation if the taking splits a parcel or cuts off access between sections

• Disturbance costs directly caused by the expropriation, such as fencing, relocation of yard sites, lost crop, or business interruption for farm operations

• Reasonable professional fees appraisal, legal, and negotiation costs are often recoverable as part of the claim

The Kerr Principle (Partial Takings)

Highway widening is typically a partial taking a strip along the frontage rather than the whole parcel. Alberta courts apply what is known as the “Kerr principle of valuation” in these cases. In Marian v. Alberta, 2001 ABQB 19, a strip of land adjoining Highway 60 was expropriated for highway twinning. Because the strip adjoined the highway, the court found it carried a materially higher commercial value than farmland further back and ultimately valued it well above the amount initially offered.

Practical implication: a strip along highway frontage is often valued higher than the blended per-acre value of the whole quarter, because frontage/commercial exposure value is factored in separately from straight agricultural value. The remainder of the parcel can also generate a separate damage claim if the taking reduces its usability — a claim frequently under-pursued by landowners who negotiate only the strip price.

If Compensation Is Disputed

• The expropriating authority's first appraisal does not have to be accepted an independent appraisal can be commissioned, and its cost is often recoverable

• If the owner and expropriating authority cannot agree, either side may file an Application for Determination of Compensation (ADC) with the Land and Property Rights Tribunal

• Where the Crown is the expropriating authority, the owner may instead elect to have the Court of King's Bench determine compensation

• Given the stakes with partial takings and injurious affection claims, landowners often retain an expropriation-specific lawyer in addition to a realtor or appraiser