The NMRA/NMCA Tech Committee has updated the NMRA True Street, NMCA True Street and NMRA All-Female True Street rules with clarifications on windows permitted in the class rules. This update is effective immediately. 
 
Rules are posted on the NMRA website rules page: https://www.nmradigital.com/classes-and-rules/c21
 
Rules are posted on the NMCA website rules page: https://www.nmcadigital.com/classes-and-rules/c21