Following the talks, police said they would move back five metres and the protesters agreed to cease their attacks.
At Karn Ruan intersection, at least 10 protesters were injured during the day-long clash as they tried to break through police barricades to proceed to parliament.
Apart from deploying a bulldozer to remove concrete barriers, the protesters also used giant fans to blow back tear gas police fired at them.
Sacks were delivered to the clash sites and protesters soaked them in water and used them to cover tear gas canisters hurled at them. The sodden sacks helped prevent the tear gas spreading.
Earlier in the day, protest leader Chumpol Jullasai announced at Democracy Monument that the protesters planned to spray faeces from faecal suction trucks at police who use tear gas to prevent them from faecal suction trucks at police who use tear gas to prevent them from occupying government offices