
    In a fleet management system, create a function that converts route parameter identifiers from backend database format (snake_case) to frontend display format (camelCase). The function should take a route parameter string like "current_traffic_speed" and transform it to "currentTrafficSpeed" while maintaining the original characters and their sequence.
    

    
import re

def snake_to_camel(word):
    """
    In a fleet management system, create a function that converts route parameter identifiers from backend database format (snake_case) to frontend display format (camelCase). The function should take a route parameter string like "current_traffic_speed" and transform it to "currentTrafficSpeed" while maintaining the original characters and their sequence.
    

    """
import re

def snake_to_camel(word):
    """
    In a fleet management system, create a function that converts route parameter identifiers from backend database format (snake_case) to frontend display format (camelCase). The function should take a route parameter string like "current_traffic_speed" and transform it to "currentTrafficSpeed" while maintaining the original characters and their sequence.
    

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