D3 Examples - U.S. Rail

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
.background {
  fill: none;
  pointer-events: all;
}
​
.boundary {
  fill: none;
  stroke: #fff;
  stroke-linejoin: round;
  stroke-linecap: round;
}
​
.feature--state {
  fill: #bbb;
}
​
.feature--station {
  fill: steelblue;
  fill-opacity: .8;
}
​
.feature--railroad {
  fill: none;
  fill-opacity: .8;
  stroke: #d77;
}
​
.feature--state :hover,
.feature--station :hover {
  fill: #eba;
}
​
.feature--state .active {
  fill: orange;
}
​
.feature--railroad {
  pointer-events: none;
}
​
</style>
<body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script src="./railroads.js"></script>
​
    