This scarf is very easy to make. It is made in garter stitch, but with a slight difference that causes vertical lines to form on their own, creating the different lanes. 

Materials
9 mm knitting needles
600g Chunky Yarn (weight #5), 100% Acrylic 
Size

26.5 cm x 180cm 

Techniques and Stitches

Knit stitch; Purl stitch;