What according to you are few traits that every effective Project Leaders should have???

Visionary

Effective project managers are visionary. They have the ability to see the big picture and not lose sight of it. They can break down large goals into smaller, more manageable parts, and are able to focus on necessary detail without becoming bogged down with small, irrelevant issues.

Organized and Efficient

Good project managers are organized and efficient. They have excellent time management skills. They're always punctual and meet their deadlines.

Honest and Reliable

Honesty, reliability and responsibility are essential traits for a project manager. It's critical that the manager means what she says and says what she means. The team members respect her integrity and loyalty.

Highly Skilled Communicator

Clear and effective communication is crucial. The effective manager keeps all team members and stakeholders informed and up to date. He consults with them regularly. He asks questions and listens to answers. He's receptive to new ideas and suggestions only if they help to move the project forward more effectively. He shares the rationale behind his decisions and actions.

Leadership Abilities

A project manager needs excellent people skills. He needs to be able to form a cohesive team where members help and support each other. 

Action-Oriented

A good project manager is action-oriented and results-driven.

Experienced and Knowledgeable

The project manager's expertise must be evident to his team. His experience and knowledge command authority and respect. 

Effective Project Leaders should be;

1. Time efficient and conscious,

2. Strategic and professional

3. Good in communications and adopt good/effective feedback mechanism,

4. Must be visionary, result driven, action oriented and have a good foresight

5. Must be a very good resource manager and a good mobilizer,

6. Must be a very good project manager and should have adequate knowledge about the projects been executed,

7. Should have integrity, empathy and enthusiasm.

Loyalty! Loyalty! If you are loyal you can recgnise loyalty on other, and nothing workos without loyalty. Of course technical knowledge helps a lot...

I agree with the expert answers. Thanks

Agree with all the answers above. 

Thanks for invitation, and I am really sorry for my late, because I were  had a lot of work.