The Madras High Court on Tuesday directed the authorities concerned to strictly enforce from February 10, an order of the Erode district Collector banning movement of motor vehicles in the night on Bannari-Karapallam stretch of the Coimbatore-Bengaluru national highway (NH-948) that runs through the eco-sensitive Satyamangalam Tiger Reserve (STR). The first bench of Acting Chief Justice M N Bhandari and Justice D Bharatha Chakravarthy gave the direction, while entertaining a PIL petition from city-based advocate SP Chockalingam, today.