<a href="https://en.wikipedia.org/wiki/Trolleybus" class="extiw" title="en:Trolleybus">Trolleybus</a> networks around the world:
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#006496;color:#202122;text-align:center;"> </div> Trolleybus networks in operation, including <a href="https://en.wikipedia.org/wiki/bus_rapid_transit" class="extiw" title="en:bus rapid transit">bus rapid transit</a> networks</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#00A2E8;color:#202122;text-align:center;"> </div> Trolleybus networks in operation, without bus rapid transit networks</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#99D9EA;color:#202122;text-align:center;"> </div> Trolleybus networks planned (as new or reconstruction)</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:red;color:#202122;text-align:center;"> </div> Countries that had trolleybus networks</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:lightgray;color:#202122;text-align:center;"> </div> lightgray Countries that never had trolleybus networks</div>
<a href="//commons.wikimedia.org/wiki/User:Chubit" title="User:Chubit">Chubit</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>