WOODLAND PARK, Colo. -

Black Hills Energy is working to restore natural gas service to some Woodland Park customers after a 4-inch gas line burst on Thursday afternoon.

Black Hills Energy spokesman, Wes Ashton, told KRDO NewsChannel 13 that a construction crew accidentally hit the line on the west side of Woodland Park around 2:15 p.m. Thursday.  The construction crew was not from Black Hills Energy.  The break left about 300 customers without natural gas service.

18 crews went door to door to re-light pilots late Thursday night.  Crews will continue to go door to door on Friday morning to re-light the remainder of the lights.  It's unclear how many people are still without service.

If no one is home, a flier will be left with contact information to make an appointment, Ashton said.

Crews originally hoped to be done by midnight, but were delayed. A spokesperson said it was more important to work safely than quickly. 

All restoration is expected to be done by early Friday morning. Stay with KRDO.com and KRDO NewsChannel 13 for updates.