The arrival lane at the BCP entrance, before the security gate, will enable each vehicle to be stopped briefly to ensure that it is required to visit the site.
Bydd y lôn gyrraedd ger mynedfa Safle Rheolaethau’r Ffin, cyn y giât ddiogelwch, yn galluogi pob cerbyd i gael ei stopio am eiliad i sicrhau bod angen iddo fynd i’r safle.