Julie Marson wrote to Transport Secretary Grant Shapps to express constituents' concerns that they are "vital resource for vulnerable passengers".
The Lib Dems have tabled a motion calling on the Government to "work out a proper plan".
"I’m passionate about tackling the issues in our communities affecting my friends, family and neighbours every day."
Following criticism of a raft of proposals which include scrapping free parking, the district council explains the reasons for the changes.
The former equalities minister and local government, faith and communities minister was knocked out in Tuesday's fourth ballot of Tory MPs.
The Saffron Walden MP said: "It's all to play for. Continued momentum, closing the gap, I am the only change candidate left in the race."
Kemi Badenoch fourth again in Thursday's second ballot in Conservative Party leadership contest, increasing her vote from 40 to 49.
Ex-Harlow MP Jerry Hayes runs a ruthless rule over the Tory leadership contenders and says why he backs his own MP, Saffron Walden's Kemi Badenoch.
MP for Saffron Walden constituency fourth of eight contenders in first ballot of Conservative MPs to choose their next party leader.
Prime Minister has announced intention to resign but intends to remain in office until new Conservative Party leader is announced on September 5.
Once Tory MPs at Westminster have whittled down the candidates to two, grass-roots members will cast their votes after hustings this summer.
Stortford MP, who remained silent as PM's leadership crumbled, becomes Parliamentary Under Secretary of State at Department for Work and Pensions.
Residents for Uttlesford (R4U) claims Essex County Council has been slow to pay families £350 a month towards their costs.
Hertford and Stortford Labour party accuses Conservative MP Julie Marson of "avoiding scrutiny from her constituents".
Hertford and Stortford MP Julie Marson finally issues statement on Prime Minister Boris Johnson – via Harlow news website