Q$1/$ A six$-$lane urban freeway $($three lanes in each direction$)$ is on rolling terrain with the traffic stream consists primarily of commuters. The peak$-$hour traffic volume in the eastbound direction of that freeway is $2700ve\frac{h}{h}r$ with $750$ vehicles arriving in the most congested $15$ minutes period. The volume includes $135$ trucks and $27$ buses with no RVs$.$ The lane width is $3\mathrm{.}3m$ and there are obstructions at distance $0\mathrm{.}6m$ from the right edge. Currently, there are four ramps within $10km$ distance on that section of the freeway.

Determine the maximum number of additional ramps that may be built within the $10km$ of that section of the freeway to ensure that its current level of service will not be changed.

Q$2/$ A four$-$lane urban freeway $($two lanes in each direction$)$ is on level terrain with $3\mathrm{.}00m$ lanes, obstructions at $0\mathrm{.}60m$ from the right edge of the traveled pavement, and $0\mathrm{.}70$ interchange density per $km.$ The traffic stream consists primarily of commuters. Assuming that the peak$-$hour factor is $0\mathrm{.}90$ and the traffic stream has $8\%$ large trucks and buses $($no RV$),$ determine the maximum directional traffic volume $($in veh $\frac{?}{h})$ to maintain a level of service $\text{'}C\text{'}.$

Q$3/$ A six$-$lane urban freeway $($three lanes in each direction$)$ is on rolling terrain with $3\mathrm{.}3m$ lanes, obstructions at $0\mathrm{.}6m$ from the right edge of the traveled pavement, and $9$ramps within $5km$ upstream and $5km$ downstream from the midpoint of the analysis segment. The traffic stream consists primarily of commuters. A directional weekday peak hour volume of $2300$ vehicles is observed, with $700$ vehicles arriving in the most congested $15-$min period. If the traffic stream has $15\%$ large trucks and buses $($no RV$),$ determine the level of service.

Q$4/$ A divided multilane highway in a recreational area $(fp=0\mathrm{.}90)$ has four lanes $($two lanes in each direction$)$ and is on rolling terrain. The highway has $3-m$ lanes with a $1\mathrm{.}8m$ right$-$side shoulder and a $0\mathrm{.}9m$ left$-$side shoulder. The posted speed is $80k\frac{m}{h}.$ Formerly there were $2\mathrm{.}5$ access points per km$,$ but recent development has increased the number of access points to $7\mathrm{.}5$ per km$.$ Before development, the peak$-$hour factor was $0\mathrm{.}95$ and the directional hourly volume was $2200$ vehicles with $10\%$ large trucks and buses and $3\%$ recreational vehicles. After development, the peak$-$hour directional flow is $2600$ vehicles with the same vehicle percentages and peak$-$hour factor. What is the level of service before and after the development?

Q$5/$ A four$-$lane undivided multilane highway $($two lanes in each direction$)$ has $3\mathrm{.}3m$ lanes and $1\mathrm{.}5m$ shoulders. At one point along the highway there is a $4\%$ upgrade that is $1km$ long. There are $15$ access points along this grade. The peakhour traffic volume has $2500$ passenger cars and $200$ trucks and buses $($no recreational vehicles$),$ and $720$ of these vehicles arrive in the most congested $15-$min period. This traffic stream is primarily commuters. The measured free$-$flow speed is $88\mathrm{.}5k\frac{m}{h}.$ To improve the level of service, the local transportation agency is considering reducing the number of access points by blocking some driveways and rerouting their traffic. How many of the $15$ access points must be blocked to achieve LOS C$?$