a10, jam at border control highway, walserberg

a10 abgase austria auto autobahn autos border car congestion control dashed detectors emigrate emissions environmental exhaust freeway germany highway holiday hour individualverkehr jam klimaschutz limit line locomotion loss marking message mobility mountain news pollutants professional reisezeit river road rush season slow standstill street tight time toll traffic transport travelagent truck vehicles waiting walseberg walserberg warning