Regulatory signs give instructions to motorists, pedestrians, and cyclists. Motorists and pedestrians crossing the border with Spain are occasionally subjected to very long delays. Despite this effort, SunRail has experienced several accidents with both motorists and pedestrians. These advertisements appeared on poster panels, to attract passing motorists and pedestrians. A third of collisions between motorists and cyclists are caused by car dooring. Imagine highways that alert motorists of a traffic jam before it forms. However, seven motorists and passengers in vehicles crossing the bridge were killed. Modern day, there are a few businesses along the highway serving motorists. Forfeiture rules were used to confiscate cars of intoxicated motorists. Warning signs should be used to notify approaching motorists of upcoming humps. There are many occupation crossings, some with restricted visibility for motorists. This feature would automatically dim high-beam headlamps for the safety of oncoming motorists. Novelty registration plates are usually installed by motorists or automobile dealerships. It was a familiar sight to eastbound motorists on the Bay Bridge. The CAA considers itself to be an advocate for Canada's motorists and travellers.