41.   He said the toll plazas were under surveillance by video cameras and by supervisors to detect changes in traffic flow.

42.   If a tire goes flat on limited-access highways like Interstates, Richmond says, get as far as possible from the traffic flow.

43.   In shades of mostly white paint and blond wood, Cathcart has created an airy new lobby, a mezzanine video gallery and a vastly improved traffic flow.

44.   It is building new corridors to ease traffic flow and encourage browsing, and putting in escalators to link the plaza and the concourse.

45.   It is also worthwhile to tune in to radio stations that keep an eye on traffic flow.

46.   Left unsaid is that traffic flow also is heaviest at the post office.

47.   Managers were given flexibility to adjust work schedules according to traffic flow and to accommodate personal considerations such as child care needs.

48.   Ms. Bryant says her group plans to prove that there are other ways to improve traffic flow through the city.

49.   Natural traffic flow invariably exceeds posted speed limits.

50.   Nevertheless, there is no great harm in conducting a two-week experiment to see if closing off a few crosswalks greatly improves traffic flow during the holidays.