Trans Canada Highway is an EP‑length electronic music release by the Scottish duo Boards of Canada, released on 29 May 2006 on the Warp label. 

Here’s a concise description you’d find on the CD / EP release:

🎧 Trans Canada Highway is a 6‑track extended play that continues Boards of Canada’s exploration of atmospheric, analogue‑infused electronic music. It blends ambient soundscapes, IDM rhythms, vintage synthesizer textures and melancholic melodies into a compact, evocative listening experience. 

The EP includes:

1. Dayvan Cowboy – a cinematic, uplifting track originally featured on The Campfire Headphase

2. Left Side Drive – a smooth, hypnotic piece beloved by fans 

3. Heard From Telegraph Lines – brief ambient interlude 

4. Skyliner – slow, shimmering, reflective synth work 

5. Under The Coke Sign – another short mood piece 

6. Dayvan Cowboy (Odd Nosdam Remix) – a deconstructed, expansive remix by Odd Nosdam 

The title Trans Canada Highway suggests a journey‑like feel, evoking wide open spaces and drifting moods, much like a drive across Canada’s vast landscapes (a concept echoed in some descriptions of the release). 

The CD edition typically comes in a digipak/card sleeve with artwork and liner notes, and includes a digital download code for high‑quality audio. 

In short: it’s a mini‑album EP — shorter than a full LP — showcasing Boards of Canada’s signature blend of ambient, electronic and IDM sounds, highlighted by Dayvan Cowboy and the evocative, dreamy Left Side Drive.