Road movement in the city will be disrupted on 7, 9 and 13 January, with journeys in the vicinity of the aforementioned protest camps and along march routes expected to be particularly constrained. Although mass rallies in the past have not disrupted operations at the city's Don Muang International Airport (DMK) and Suvarnabhumi International Airport (BKK), the authorities have advised travelers to plan to arrive at the facilities at least four hours prior to scheduled departures. It is advisable to use the Airport Rail Link to travel to Suvarnabhumi airport; personnel should reconfirm journeys and their ability to access the stations in central areas of Bangkok prior to departure