How common are rest areas or truck stops along Hawaiis highways?
As far as I know, there are only three highway rest areas in the entire state, all about halfway to Hana on Maui’s Hana Highway (one off on the side road to Keanae, the two waysides right on the highway about four miles to the west and six miles to the east). I don’t recall seeing any truck stops at all, just the off-highway terminals where local trucking companies are based. The islands are small enough that most journeys are short and don’t require rest or other breaks, and most or all truck routes on any of the islands can be done round-trip in a single day and on a single load of fuel. The trip to Hana is an exception, taking lots of tourist traffic through an area with otherwise limited restroom facilities next to the highway, and taking long enough (at least three hours) that travelers can’t all just hold it in until they reach their destinations. On other long treks (such as across the Big Island), along the way restrooms will usually be available to travelers in state and count
