A policeman walks at the M1 highway, 80 km west of Budapest, March 15, 2013. Thousands of Hungarian motorists got trapped in heavy snow on the motorways as a sudden cold snap and high winds struck the country. REUTERS/Laszlo Balogh (HUNGARY - Tags: TRANSPORT ENVIRONMENT)
A policeman walks at the M1 highway, 80 km west of Budapest, March 15, 2013. Thousands of Hungarian motorists got trapped in heavy snow on the motorways as a sudden cold snap and high winds struck the country. REUTERS/Laszlo Balogh (HUNGARY - Tags: TRANSPORT ENVIRONMENT)