// Roads & Railways //
/*
#tunnel { opacity: 0.5; }

#road,
#tunnel,
#bridge {
  ['mapnik::geometry_type'=2] {
    line-color: #cde;
    line-width: 0.5;
    [class='motorway'],
    [class='main'] {
      [zoom>=10] { line-width: 1; }
      [zoom>=12] { line-width: 2; }
      [zoom>=14] { line-width: 3; }
      [zoom>=16] { line-width: 5; }
    }
    [class='street'],
    [class='street_limited'] {
      [zoom>=14] { line-width: 1; }
      [zoom>=16] { line-width: 2; }
    }
    [class='street_limited'] { line-dasharray: 4,1; }
  }
}
*/