MBTA Railway Cleaner is a liquid deep-penetrating one-step detergent designed to remove heavy dirt and road film from painted and aluminum surfaces. This product is ideal for transit operators looking for a heavy-duty cleaner that will not harm polished aluminum. It is formulated especially for touchless and brush systems, allowing for easy rinsing and quick turnover time of vehicles. The product leaves behind a bright, spot-free surface and is pH balanced for use in most public transit systems. For restricted pH use, Express Transit is recommended.