Boil noodles as directed on package. Drain and cool. 

Place carrots, red onion, bell pepper, celery, and relish on the noodle in a big bowl. Toss well. 

In a same bowl mix together Dijon mustard, mayonnaise, and apple cider vinegar. Stir well. Add in dill and stir well. 

Fold sauce into the pasta making sure that the salad is well coated. Top with salt and pepper and toss again. 

Place in fridge until ready to serve.