1//Use Route::get('/path/{id}/{start?}/{end?}', 'Controller@index');
2//and handle the parameters in the controller function:
3
4public function index($id, $start = null, $end = null)
5{
6 if (!$start) {
7 // set start
8 }
9
10 if (!$end) {
11 // set end
12 }
13
14 // do other stuff
15}
16