I am assigned to implement a traffic plan for distribution centers included warehouses, first time to carry out such task, any tips or help?

A tip I've been given is to stand and watch as above, but with a site plan in your hand and draw the routes you see traffic taking (colour-coded by type of traffic). Then look for where they meet ...

Yes!

Things I look for when checking a client has a traffic management plan:- - Segregation of cars and HGV's. - Clear signage for visitors (HGV and car) - One way systems if practicable. - Designated turning areas. - Clearly marked pedestrian walkways and crossings without blind approaches. - General speed levels on site. Place barriers or pinch points to reduce speed of vehicles coming on to the site. - Consider drivers of foreign vehicles - LHD and multi-lingual signage. - Position of fire risks on site - LPG tanks, fuel oil tanks, pallet stacks and baled waste. Ideally minimise HGV traffic in these areas. With fuel oil, have a defined approach and exit route to stop free for alls by the drivers. -Consider the need for vehicle holding areas as they wait to be called on to the loading dock. Avoid the need to park in areas that will block access roads. -Consider lighting levels for evening / night time operations. High level lighting to avoid glare. - Road markings should where possible follow highway conventions, e.g. solid white line for stop, broken for give way. -Yard surface conditions. While lorries can cope with potholes, FLTs cannot (unless rough terrain). If you are stuck with a poorly maintained yard surface, ensure FLT ops take place on the areas in best condition. Relegate staff car parking to the rough areas - then perhaps the bosses will get around to resurfacing that bit quicker.