This material is based upon work supported, in whole or in part, by Federal award number 69A6212350001 awarded to National Main Street Center, Inc. by the U.S. Department of Transportation. The substance and findings of the work are dedicated to the public. Neither the United States Government nor any of its employees make any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately-owned rights. Reference herein to any individuals, agencies, companies, products, process, services, service by trade name, trademark, manufacturer, or otherwise does not constitute or imply an endorsement, recommendation, or favoring by the author(s), contributor(s), the U.S. Government, or any agency thereof. Opinions contained herein are those of the author(s) and do not necessarily reflect the official position of, or a position that is endorsed by, USDOT or any Federal agency.