The idiomatic expression "wide road" is a metaphorical term that refers to an easy or simple path, one with minimal obstacles and challenges. Full definition
Consider this: We have wide roads everywhere to accommodate cars, most of which carry only one person. (treehugger.com)
«We carried on through the manic avenues and came to a long, wide road with bikes sifting round each other, fruit and spice stalls spread all over the road, paraplegics crawling through the dirt, no Westerners in sight, heads as far as the eye could see, a canopy of pointy hats. (theexpeditioner.com)
It feels fine on wider roads, but on small, twistier sections the size and weight work against the 740e when it comes to handling. (autoexpress.co.uk)