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Temporary signal light coming to the I-279 southbound on-ramp from Union Ave

May 12, 2018 ~ Access McCandless Staff

PennDOT, in cooperation with the Federal Highway Administration (FHWA), announced a new Work Zone Ramp Signal on I-279 that will begin Monday, May 14, 2018.  The ramp signal will manage the rate at which vehicles enter the highway.

Beginning at 6 a.m. on Monday, the ramp signal equipment will be activated.  For the first two weeks, the system will operate during fixed times, weekdays from 6 a.m. to 9 a.m. and from 4 p.m. to 7 p.m.  The system may be operational during other heavy traffic periods such as sporting or special events.  After two weeks, the system will switch to traffic responsive mode and activate during heavy volume periods. The equipment will be removed once the pilot program ends in early September.

The ramp signal will manage the rate at which vehicles enter the highway.  On the ramp to southbound I-279, motorists will see the following:

  •  Signs with flashing yellow lights indicating that ramp signals are in effect.
  • Signage, including “Stop here on Red” and “One Vehicle Per Green”.
  • The ramp signal at approximately mid-point of the ramp.  The ramp signal only has a red and green signal.

Only one vehicle at a time is permitted to proceed through the green signal. Motorists must stop when the signal is red.  Motorists must obey the ramp signal as they would any other traffic signal.  Drivers will merge onto southbound I-279 as they normally would once they receive the green light.

If the ramp becomes congested, the signal will operate at a faster rate to relieve the queue. The system will not be active during off-peak travel times.

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