First Answer:
The distance from the beginning of the approach to the foul line must be at least 15 feet. From the foul line to the center of the #1 pin spot is 60 feet with a tolerance of 1/2 inch allowed. From the center of the #1 pin spot to the beginning of the pit is 2 feet, 10 3/16 inches.
Second Answer:
Lane Length - From foul line to the pit, it is 62 feet 10 3/16 inches (not including the tail plant).
Lane Width - the lane width from beginning to end is 41-42 inches (usually counted as 41.5 inches). Including the channels (gutters) the lane must be between 60 inches and 60 1/4 inches.
Approach - from the foul line to the beginning of the approach, the length cannot be less than 15 feet.
Pin Spacing - Each pin must be 12 inches from each other center of pin to center of pin.
A Baby Split- the pins are 25.5 inches away from each other