us-states via Atlas-make by bradoyler

index.html

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.min.js"></script>
  <script src="//d3js.org/topojson.v1.min.js"></script>
  <style>
    .mesh{ fill: #fff; stroke: #333; stroke-width: .8px;stroke-linejoin: round;}
  </style>
</head>

<body>
  <script>
    // topojson via https://github.com/bradoyler/atlas-make
    
    var svg = d3.select("body").append("svg")
    var width = 960,height = 500;
    var projection = d3.geo.albersUsa();
    var path = d3.geo.path().projection(projection);

    d3.json("us-states.json", function(error, ustopo) {
      if (error) throw error;
      
      svg.attr("width", width)
      .attr("height", height)
      .append("path")
      .datum(topojson.mesh(ustopo))
      .attr("class", "mesh")
      .attr("d", path);
    });

  </script>
</body>