A man stuck in stopped traffic in the Holland Tunnel decided to get out of his car and start walking, police say.

Police had been forced to stop traffic to help a 22-year-old man who had suffered a medical emergency; an ambulance had to make its way inside the tube, which compounded the traffic jam, according to Port Authority officials.

[NATL-NY]40 Years After Son of Sam's Arrest, Archive Photos Show Dramatic Scenes From One of the Most Notorious Killing Sprees in American History

The man who ended up ditching his car apparently was frustrated by the bottleneck. He was quickly arrested on a trespassing charge, according to police. No other details were available about the man who was arrested.

The man who suffered a medical emergency was taken to an area hospital to be treated.

[NATL] Top News Photos: Pope Visits Japan, and More