Question Topic: Band 2 traffic signs and signals
Explanation: You must always obey red flashing stop lights. If a train passes but the lights continue to flash, another train will be passing soon. Cross only when the lights go off and the barriers open.
Category: Band 2 traffic signs and signals
References: The Official DVSA Guide to Driving: Section 6, Highway Code: Rule 293, Know Your Traffic Signs: Page 27