How to hatch eggs faster?

Find a good open space to ride your Bike until it hatches.
Or if you’re bored on cycling back and forth, you can check out this neat biking route:

1. For this to work, be sure to have a Pokemon with Fly and Cut with you.
2. Starting with Vermillion City, go up to Route 6 and follow the path, don't go through the grass.
3. Then go into the Underground Path and go to Cerulean.
4. Go up until it says "Cerulean City".
5. Go right and follow the path until you reach the cliff next to the Gym.
Jump down and find your way to Nugget Bridge then go north.
6. Go right and past all the trainers.
7. Stop at Bill's house, go south and follow the hedge
8. Keep going until you reach the cliff, then go through the destroyed house.
9. Follow the way out but do not jump off the cliff.
Instead go right and Cut the tree.
10. On Route 9, keep jumping cliffs and proceed to your east until you reach Route 10.
11. Stop at the PokeCenter and use Fly to go to Lavender Town then go left.
12. Follow the path on Route 8 until you get to Saffron City then go around until you reach Route 7
13. Enter Celadon City, go through Route 16, and reach Cycling Road.
14. Go down the slanted slope until you reach the bottom.
15. Go through Route 18 and reach Fuchsia City.
16. Continue till you reach Route 15 to Route 14, Route 14 to 13, Route 13 to 12.
17. And when you reach the sign "Sportfishing Area" go left onto
Route 11.
18. Continue on Route 11 and do not walk through the grass.
19. We’re back to Vermillion City, check out your egg progress.