Passengers are urged to make travel arrangements in advance because some roads are restricted and some bus services may be canceled in Delhi owing to the Chehlum procession.
In anticipation of the Chehlum parade on Wednesday, certain highways and sections in the nation’s capital will be controlled, and some bus services may be discontinued, according to the Delhi Traffic Police. It has been suggested that passengers heading to New Delhi Railway Station leave early and allow extra time in case there are delays on particular routes.

According to the advise, commuters should avoid Connaught Place and instead access the Ajmeri Gate side via Tilak, Deen Dayal Upadhyaya, or Jawaharlal Nehru Marg, depending on the direction of the procession.

To go to New Delhi Railway Station from West and South Delhi, travelers should take the following route: Punjabi Bagh Chowk – Ring Road Dhaula Kuan – Ring Road – Mool Chand Flyover — Mathura Road – W-Point – ITO – Deen Dayal Upadhyaya Marg.

For those coming from East and North Delhi, the best route to take to go to New Delhi Railway Station is Rohtak Road, Rani Jhansi Road, Boulevard Road, ISBT, Ring Road, Rajghat Chowk, and Jawaharlal Nehru Marg.

Route of the Chehlum procession

• Chehlum, also known as Arbaeen, commemorates the 40th day of mourning since Imam Hussain, the Prophet’s grandson, was killed in the battle of Karbala in Iraq in the 7th century. On September 7, the Shia community will observe Chehlum.
• On September 6, at 8.30 a.m., the main procession will leave from Pahari Bhojila and travel to Dargah Shah-e-Mardan before continuing to Karbala and Jor Bagh (PS Lodhi Colony) via Bazar Chitli Qabar, Bazar Matia Mahal, Chowk Jama Masjid, Chowk Hauz Qazi, Ajmeri Gate, Chelmsford Road, New Delhi Railway Station,

Source- Hindustan times
Link- https://www.hindustantimes.com/cities/delhi-news/chehlum-procession-travelling-to-new-delhi-railway-station-avoid-these-routes-101693958541426.html