Fundamentals of Transportation/Shockwaves/Problem

Shockwave Problem: Rolling Roadblock

Flow on a road is $q_1=1800veh/hr/lane$, and the density of $k_1=14.4veh/km/lane$. To reduce speeding on a section of highway, a police cruiser decides to implement a rolling roadblock, and to travel in the left lane at the speed limit ($v_2=88km/hr$) for 10 km. No one dares pass. After the police cruiser joins, the platoon density increases to 20 veh/km/lane and flow drops. How many vehicles (per lane) will be in the platoon when the police car leaves the highway?

Solution

• Solution