West Bromwich MP Tom Watson has called for bus operators to cut their fares in light of falling fuel prices.
Earlier this month, National Express hiked the price of an adult single ticket by 10p to £2.20 for passengers.
In response, the West Bromwich East MP started a petition and gathered hundreds of signatures from disgruntled passengers in West Bromwich town centre on Saturday.
The cost of oil has dropped from around $110 a barrel in mid-2014 to below $50 in recent weeks, but there has been no sign of any reductions in ticket prices.
Mr Watson said: “Fuel prices have been dropping consistently for months, yet bus operators continue to make excuses to avoid passing on their savings to passengers through lower fares.
He added: “Bus companies are quick enough to raise fares when fuel prices go up. People in Sandwell rely on the buses and it’s shameful that there has been no reduction in fares.”
Mr Watson, who has already gathered 500 signatures on his petition, intends to write to the Department for Transport as well as local bus operators to request that they reduce their fares.
Anyone wishing to sign the petition can email email@example.com, or telephone Mr Watson’s office on 0121 569 1904.