Complex sentence: In 1996, the trail was rerouted through Pelly Crossing and a checkpoint was added there, and the Lake Laberge stretch was replaced by a route through Braeburn and along the Dawson-Whitehorse Overland Trail.
Split into simpler sentences: In 1996, the trail was rerouted through Pelly Crossing and a checkpoint was added there. Also that year, the Lake Laberge stretch was replaced by a route through Braeburn and along the Dawson-Whitehorse Overland Trail.