EASTERN cyclists have called for bus drivers to stop blocking bike lanes for up to 10 minutes at a time when they are running ahead of schedule.

Cyclists have taken to popular online forum Adelaide Cycliststo complain about bus drivers parking in bus lanes to kill time between stops.

They say the problem has become worse following timetable changes earlier this year.

Kingswood cyclist Shane Sody took six photographs of buses parked in the bike lane at stop 19 on Portrush Rd, near the Glen Osmond Rd intersection, for up to 10 minutes at a time between September 30 and November 18.

He said it was "dangerous" for drivers to use bike lanes as layover points.

"You take your life into your own hands when you pull into heavy traffic to get around them," Mr Sody, 57, said.

He had approached some of the drivers who told him they had been instructed to wait there if they were running ahead of schedule.

"That section of bike lane is not very long but it's crucial for cyclists to make their way through the heavy stream of traffic," he said.

Other hot spots identified on Adelaide Cyclists included Fitzroy Tce, near the Adelaide Aquatic Centre, Edward St, near the intersection with South Rd in Melrose Park, and on Manton St, near Hindmarsh Stadium.

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Several other cyclists had uploaded photographs and video of buses parked in bike lanes.

Transport Services Minister Chloe Fox said the government would create an "indent" on Portrush Rd to stop buses from blocking the cycle lane.

She said bus operators had been told to avoid blocking dedicated cycle lanes by making sure they did not run ahead of schedule.

"The department regularly reviews timetables to ensure … that actual running times accurately reflect as closely as possible published timetables," Ms Fox said.

Bragg MP Vickie Chapman the government's plan for Portrush Rd was a good result.

"The department should work on identifying where other similar conflicts occur and how they can be resolved," Ms Chapman said.

Between July 1 and October 31, 169 motorists were detected in breach of Australian Road Rule 187(2) which states that drivers should not stop in a bicycle lane.

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Police could not say the type of vehicle involved in each breach.

An SA Police spokesman said officers could use their discretion to caution drivers.