
    Develop a function for the traffic management system that identifies street names or traffic zones containing 'z' in their designation, enabling rapid identification of areas requiring specialized traffic light timing adjustments. The system should match and flag these zones from the central database to facilitate immediate traffic flow optimization.
    

    
import re

def text_match_wordz(text):
    """
    Develop a function for the traffic management system that identifies street names or traffic zones containing 'z' in their designation, enabling rapid identification of areas requiring specialized traffic light timing adjustments. The system should match and flag these zones from the central database to facilitate immediate traffic flow optimization.
    

    """
import re

def text_match_wordz(text):
    """
    Develop a function for the traffic management system that identifies street names or traffic zones containing 'z' in their designation, enabling rapid identification of areas requiring specialized traffic light timing adjustments. The system should match and flag these zones from the central database to facilitate immediate traffic flow optimization.
    

    """
    patterns = '\\w*z.\\w*'
    if re.search(patterns, text):
        return True
    else:
        return False