
    Create a function that converts fleet management system's database route identifiers and status codes from snake case format to camel case format for seamless API integration with the real-time delivery tracking system. The function should handle any valid snake case input string containing route information or delivery status codes, and transform it into its corresponding camel case format while preserving the original meaning of the identifier.
    

    
def snake_to_camel(word):
    """
    Create a function that converts fleet management system's database route identifiers and status codes from snake case format to camel case format for seamless API integration with the real-time delivery tracking system. The function should handle any valid snake case input string containing route information or delivery status codes, and transform it into its corresponding camel case format while preserving the original meaning of the identifier.
    

    """
import re

def snake_to_camel(word):
    """
    Create a function that converts fleet management system's database route identifiers and status codes from snake case format to camel case format for seamless API integration with the real-time delivery tracking system. The function should handle any valid snake case input string containing route information or delivery status codes, and transform it into its corresponding camel case format while preserving the original meaning of the identifier.
    

    """
    return ''.join((x.capitalize() or '_' for x in word.split('_')))